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四年级数学口算题下册,小学四年级下册数学口算题

  • 四年级
  • 2026-04-30

四年级数学口算题下册?小学四年级下册数学口算题如下:1、45+15×6= 135 2、250÷5×8=400 3、6×5÷2×4=60 4、30×3+8=98 5、400÷4+20×5= 200 6、10+12÷3+20=34 7、(80÷20+80)÷4=21 8、70+(100-10×5)=120 9、360÷40= 9 10、40×20= 800 11、80-25= 55 12、70+45=115 13、那么,四年级数学口算题下册?一起来了解一下吧。

小学四年级口算天天练

1.2+9=10.2

5.43-3.06=2.37

3+1.2=4.2

0.12+5=5.12

1.2+1.8+1.4=4.4

6.2+16+3.8=26

14-0.6=13.4

20.3-8=12.3

50-1.5+4= 53.5

175-0.56=174.44

2.08+11=13.089

0.4+20= 20.4

2.5+67+7.5=77

4.5-3=1.5

25-0.38=1.62

5.4+9.6=15

5.6-4=1.6

1.45+55=56.45

4.6+49+51=104.6

9.1-7=2.1

10.3-0.3= 10

28+9.2=37.2

43.6+2.08=45.68

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

0.75+0.25=1

1.37+1+7.63=10

5.6+2.7+4.4=12.7

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

0.34+0.45=0.79

0.57+0.9=1.47

8-4.6=3.4

0.6-0.37=0.23

4.9+9.8=14.7

39.5+98.8=138.3

1.4+2.8=4.2

1.5+3=4.5

1.6+3.2=4.8

1.7+3.4=5.1

1.8+3.6=5.4

1.9+3.8=5.7

0.2+0.40=0.6

2.1+4.2=6.3

2.2+4.4=6.6

2.3+4.6=6.9

2.4+4.8=7.2

2.5+5=7.5

2.6+5.2=7.8

2.7+5.4=8.1

2.8+5.6=8.4

2.9+5.8=8.7

0.3+0.6=0.9

3.1+6.2=9.3

3.2+6.4=9.6

3.3+6.6=9.9

1-0.3=0.7

1.5-0.4=1.1

2-0.5=1.5

2.5-0.6=1.9

3.0-0.7=2.3

3.5-0.8=2.7

4-0.9=3.1

4.5-1=3.5

5-1.1=3.9

5.5-1.2=4.3

6-1.3=4.7

6.5-1.4=5.1

7-1.5=5.5

7.5-1.6=5.9

8-1.7=6.3

8.5-1.8=6.7

9-1.9=7.1

9.5-2=7.5

10-2.1=7.9

10.5-2.2=8.3

11-2.3=8.7

11.5-2.4=9.1

12-2.5=9.5

12.5-2.6=9.9

13-2.7=10.3

0.2+0.6+0.0.2=1

2.8 + 1.5 + 0.7=5

3.12- 5.6 + 2.9=0.42

4.8- 5.4 + 1.4 =0.8

5.6- 3.8 – 0.38 = 1.42

6.4 + 5.9 + 3.7 = 16

7.5 - 3.2 + 4.5 = 8.8

8.7 +1.8 + 1.9 = 12.4

9.9 - 5.6 + 5.6 =9.9

10.3 - 8.9 - 1.3= 0.1

11.7 + 5.49 + 3.14= 20.33

12.6 +1.2 + 2.3 = 16.1

13.8 - 4.5 +11.5 =20.8

14.3 - 5.6 – 5.6 =3.1

15.9 -2.7 – 10.21 = 2.99

16.5 - 1.8 – 1.4= 13.3

17.4 + 2.5 + 2.3= 22.2

18.4 + 8.7 – 5.6 =21.5

19.1+3.2 – 3.4 = 18.9

20.3 - 2.9 + 1.3= 18.7

21.5 - 2.5 + 3.7= 22.7

22.3 + 2.3 + 1.6= 26.2

23.1 + 2.3 + 5.6= 31

24.9 + 11 - 1.2= 34.7

25.5 - 11.5 + 4.3= 18.3

26.4 - 2.3 + 1.3 = 25.4

27.7 + 1.19 - 5.6= 23.29

28.1 + 3.4 - 2.3= 29.2

29.8 -2.16 + 1.2= 28.841.2+9=10.2

5.43-3.06=2.37

3+1.2=4.2

0.12+5=5.12

1.2+1.8+1.4=4.4

6.2+16+3.8=26

14-0.6=13.4

20.3-8=12.3

50-1.5+4= 53.5

175-0.56=174.44

2.08+11=13.089

0.4+20= 20.4

2.5+67+7.5=77

4.5-3=1.5

25-0.38=1.62

5.4+9.6=15

5.6-4=1.6

1.45+55=56.45

4.6+49+51=104.6

9.1-7=2.1

10.3-0.3= 10

28+9.2=37.2

43.6+2.08=45.68

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

0.75+0.25=1

1.37+1+7.63=10

5.6+2.7+4.4=12.7

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

0.34+0.45=0.79

0.57+0.9=1.47

8-4.6=3.4

0.6-0.37=0.23

4.9+9.8=14.7

39.5+98.8=138.3

1.4+2.8=4.2

1.5+3=4.5

1.6+3.2=4.8

1.7+3.4=5.1

1.8+3.6=5.4

1.9+3.8=5.7

0.2+0.40=0.6

2.1+4.2=6.3

2.2+4.4=6.6

2.3+4.6=6.9

2.4+4.8=7.2

2.5+5=7.5

2.6+5.2=7.8

2.7+5.4=8.1

2.8+5.6=8.4

2.9+5.8=8.7

0.3+0.6=0.9

3.1+6.2=9.3

3.2+6.4=9.6

3.3+6.6=9.9

1-0.3=0.7

1.5-0.4=1.1

2-0.5=1.5

2.5-0.6=1.9

3.0-0.7=2.3

3.5-0.8=2.7

4-0.9=3.1

4.5-1=3.5

5-1.1=3.9

5.5-1.2=4.3

6-1.3=4.7

6.5-1.4=5.1

7-1.5=5.5

7.5-1.6=5.9

8-1.7=6.3

8.5-1.8=6.7

9-1.9=7.1

9.5-2=7.5

10-2.1=7.9

10.5-2.2=8.3

11-2.3=8.7

11.5-2.4=9.1

12-2.5=9.5

12.5-2.6=9.9

13-2.7=10.3

0.2+0.6+0.0.2=1

2.8 + 1.5 + 0.7=5

3.12- 5.6 + 2.9=0.42

4.8- 5.4 + 1.4 =0.8

5.6- 3.8 – 0.38 = 1.42

6.4 + 5.9 + 3.7 = 16

7.5 - 3.2 + 4.5 = 8.8

8.7 +1.8 + 1.9 = 12.4

9.9 - 5.6 + 5.6 =9.9

10.3 - 8.9 - 1.3= 0.1

11.7 + 5.49 + 3.14= 20.33

12.6 +1.2 + 2.3 = 16.1

13.8 - 4.5 +11.5 =20.8

14.3 - 5.6 – 5.6 =3.1

15.9 -2.7 – 10.21 = 2.99

16.5 - 1.8 – 1.4= 13.3

17.4 + 2.5 + 2.3= 22.2

18.4 + 8.7 – 5.6 =21.5

19.1+3.2 – 3.4 = 18.9

20.3 - 2.9 + 1.3= 18.7

21.5 - 2.5 + 3.7= 22.7

22.3 + 2.3 + 1.6= 26.2

23.1 + 2.3 + 5.6= 31

24.9 + 11 - 1.2= 34.7

25.5 - 11.5 + 4.3= 18.3

26.4 - 2.3 + 1.3 = 25.4

27.7 + 1.19 - 5.6= 23.29

28.1 + 3.4 - 2.3= 29.2

29.8 -2.16 + 1.2= 28.84

30.1 + 1.5 – 1.5 =30.1

数学四年级下册口算训练

小学四年级数学口算能力专项练习题及答案

练习题

加法练习

35 + 27 =

72 + 18 =

46 + 34 =

51 + 29 =

减法练习

9648 =

8537 =

6325 =

7749 =

乘法练习

12 × 3 =

15 × 4 =

24 × 2 =

36 × 1 =

除法练习

96 ÷ 12 =

60 ÷ 15 =

48 ÷ 6 =

72 ÷ 9 =

混合运算练习

36 + 2418 =

45 × 2 ÷ 9 =

72 ÷ 8 + 15 =

÷ 3 =

答案

加法练习

35 + 27 = 62

72 + 18 = 90

46 + 34 = 80

51 + 29 = 80

减法练习

9648 = 48

8537 = 48

6325 = 38

7749 = 28

乘法练习

12 × 3 = 36

15 × 4 = 60

24 × 2 = 48

36 × 1 = 36

除法练习

96 ÷ 12 = 8

60 ÷ 15 = 4

48 ÷ 6 = 8

72 ÷ 9 = 8

混合运算练习

36 + 2418 = 42

45 × 2 ÷ 9 = 10

72 ÷ 8 + 15 = 24

÷ 3 = 12

小学四年级下册数学口算题

1.2+9=10.2

5.43-3.06=2.37

3+1.2=4.2

0.12+5=5.12

1.2+1.8+1.4=4.4

6.2+16+3.8=26

14-0.6=13.4

20.3-8=12.3

50-1.5+4= 53.5

175-0.56=174.44

2.08+11=13.089

0.4+20= 20.4

2.5+67+7.5=77

4.5-3=1.5

25-0.38=1.62

5.4+9.6=15

5.6-4=1.6

1.45+55=56.45

4.6+49+51=104.6

9.1-7=2.1

10.3-0.3= 10

28+9.2=37.2

43.6+2.08=45.68

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

0.75+0.25=1

1.37+1+7.63=10

5.6+2.7+4.4=12.7

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

0.34+0.45=0.79

0.57+0.9=1.47

8-4.6=3.4

0.6-0.37=0.23

4.9+9.8=14.7

39.5+98.8=138.3

1.4+2.8=4.2

1.5+3=4.5

1.6+3.2=4.8

1.7+3.4=5.1

1.8+3.6=5.4

1.9+3.8=5.7

0.2+0.40=0.6

2.1+4.2=6.3

2.2+4.4=6.6

2.3+4.6=6.9

2.4+4.8=7.2

2.5+5=7.5

2.6+5.2=7.8

2.7+5.4=8.1

2.8+5.6=8.4

2.9+5.8=8.7

0.3+0.6=0.9

3.1+6.2=9.3

3.2+6.4=9.6

3.3+6.6=9.9

1-0.3=0.7

1.5-0.4=1.1

2-0.5=1.5

2.5-0.6=1.9

3.0-0.7=2.3

3.5-0.8=2.7

4-0.9=3.1

4.5-1=3.5

5-1.1=3.9

5.5-1.2=4.3

6-1.3=4.7

6.5-1.4=5.1

7-1.5=5.5

7.5-1.6=5.9

8-1.7=6.3

8.5-1.8=6.7

9-1.9=7.1

9.5-2=7.5

10-2.1=7.9

10.5-2.2=8.3

11-2.3=8.7

11.5-2.4=9.1

12-2.5=9.5

12.5-2.6=9.9

13-2.7=10.3

0.2+0.6+0.0.2=1

2.8 + 1.5 + 0.7=5

3.12- 5.6 + 2.9=0.42

4.8- 5.4 + 1.4 =0.8

5.6- 3.8 – 0.38 = 1.42

6.4 + 5.9 + 3.7 = 16

7.5 - 3.2 + 4.5 = 8.8

8.7 +1.8 + 1.9 = 12.4

9.9 - 5.6 + 5.6 =9.9

10.3 - 8.9 - 1.3= 0.1

11.7 + 5.49 + 3.14= 20.33

12.6 +1.2 + 2.3 = 16.1

13.8 - 4.5 +11.5 =20.8

14.3 - 5.6 – 5.6 =3.1

15.9 -2.7 – 10.21 = 2.99

16.5 - 1.8 – 1.4= 13.3

17.4 + 2.5 + 2.3= 22.2

18.4 + 8.7 – 5.6 =21.5

19.1+3.2 – 3.4 = 18.9

20.3 - 2.9 + 1.3= 18.7

21.5 - 2.5 + 3.7= 22.7

22.3 + 2.3 + 1.6= 26.2

23.1 + 2.3 + 5.6= 31

24.9 + 11 - 1.2= 34.7

25.5 - 11.5 + 4.3= 18.3

26.4 - 2.3 + 1.3 = 25.4

27.7 + 1.19 - 5.6= 23.29

28.1 + 3.4 - 2.3= 29.2

29.8 -2.16 + 1.2= 28.841.2+9=10.2

5.43-3.06=2.37

3+1.2=4.2

0.12+5=5.12

1.2+1.8+1.4=4.4

6.2+16+3.8=26

14-0.6=13.4

20.3-8=12.3

50-1.5+4= 53.5

175-0.56=174.44

2.08+11=13.089

0.4+20= 20.4

2.5+67+7.5=77

4.5-3=1.5

25-0.38=1.62

5.4+9.6=15

5.6-4=1.6

1.45+55=56.45

4.6+49+51=104.6

9.1-7=2.1

10.3-0.3= 10

28+9.2=37.2

43.6+2.08=45.68

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

14-7.4=6.6

0.65+4.35= 5

10-5.4=4.6

1.5-0.06=1.44

0.36+1.54=2

0.75+0.25=1

1.37+1+7.63=10

5.6+2.7+4.4=12.7

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

9.14-1.43-4.57=3.14

77+2.7+2.3+25=107

1.88+2.3+3.7=7.88

0.34+0.45=0.79

0.57+0.9=1.47

8-4.6=3.4

0.6-0.37=0.23

4.9+9.8=14.7

39.5+98.8=138.3

1.4+2.8=4.2

1.5+3=4.5

1.6+3.2=4.8

1.7+3.4=5.1

1.8+3.6=5.4

1.9+3.8=5.7

0.2+0.40=0.6

2.1+4.2=6.3

2.2+4.4=6.6

2.3+4.6=6.9

2.4+4.8=7.2

2.5+5=7.5

2.6+5.2=7.8

2.7+5.4=8.1

2.8+5.6=8.4

2.9+5.8=8.7

0.3+0.6=0.9

3.1+6.2=9.3

3.2+6.4=9.6

3.3+6.6=9.9

1-0.3=0.7

1.5-0.4=1.1

2-0.5=1.5

2.5-0.6=1.9

3.0-0.7=2.3

3.5-0.8=2.7

4-0.9=3.1

4.5-1=3.5

5-1.1=3.9

5.5-1.2=4.3

6-1.3=4.7

6.5-1.4=5.1

7-1.5=5.5

7.5-1.6=5.9

8-1.7=6.3

8.5-1.8=6.7

9-1.9=7.1

9.5-2=7.5

10-2.1=7.9

10.5-2.2=8.3

11-2.3=8.7

11.5-2.4=9.1

12-2.5=9.5

12.5-2.6=9.9

13-2.7=10.3

0.2+0.6+0.0.2=1

2.8 + 1.5 + 0.7=5

3.12- 5.6 + 2.9=0.42

4.8- 5.4 + 1.4 =0.8

5.6- 3.8 – 0.38 = 1.42

6.4 + 5.9 + 3.7 = 16

7.5 - 3.2 + 4.5 = 8.8

8.7 +1.8 + 1.9 = 12.4

9.9 - 5.6 + 5.6 =9.9

10.3 - 8.9 - 1.3= 0.1

11.7 + 5.49 + 3.14= 20.33

12.6 +1.2 + 2.3 = 16.1

13.8 - 4.5 +11.5 =20.8

14.3 - 5.6 – 5.6 =3.1

15.9 -2.7 – 10.21 = 2.99

16.5 - 1.8 – 1.4= 13.3

17.4 + 2.5 + 2.3= 22.2

18.4 + 8.7 – 5.6 =21.5

19.1+3.2 – 3.4 = 18.9

20.3 - 2.9 + 1.3= 18.7

21.5 - 2.5 + 3.7= 22.7

22.3 + 2.3 + 1.6= 26.2

23.1 + 2.3 + 5.6= 31

24.9 + 11 - 1.2= 34.7

25.5 - 11.5 + 4.3= 18.3

26.4 - 2.3 + 1.3 = 25.4

27.7 + 1.19 - 5.6= 23.29

28.1 + 3.4 - 2.3= 29.2

29.8 -2.16 + 1.2= 28.84

30.1 + 1.5 – 1.5 =30.1

累死了

四年级下册口算题600道

123+25=148 123-35=88 56×7=392 135÷5=27

248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...

456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...

879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...

457+456=913...

7+14=21 ... 18-9=9...

8+16=24 ... 25-5=20...

9+18=27... 56-45=11... 10+20=30... 45-23=22...

11+22=33... 78-23=55... 12+24=36...

15-4=11 20-5=15 25-6=19 30-7=23 35-8=27 40-9=31 45-10=35 50-11=395512=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67 90-19=71 95-20=75 100-21=79

105-22=83

110-23=87

115-24=91

120-25=95

125-26=99

130-27=103

13+26=39...

14+28=42...

15+30=45...

16+32=48...

17+34=51...

18+36=54...

19+38=57...

20+40=60...

21+42=63...

22+44=66...

23+46=69...

24+48=72...

25+50=75...

26+52=78...

27+54=81...

28+56=84...

29+58=87...

30+60=90...

31+62=93...

32+64=96...

33+66=99...

5 ÷1 =5

10 ÷2 =5

15 ÷3 =5

20 ÷4 =5

25 ÷5 =5

30 ÷6 =5

35 ÷7 =5

40 ÷8 =5

45 ÷9 =5

50 ÷10 =5

55 ÷11 =5

60 ÷12 =5

65 ÷13 =5

70 ÷14 =5

75 ÷15 =5

80 ÷16 5

85 ÷17 5 90 ÷18 5 95 ÷19 5 100 ÷20 5

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

12÷3/5=12×( 5/3) 9÷6/7=9×( 7/6 ) 30÷5/6=30×(6/5 ) 4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 ) A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12

14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5

10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44

0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2

1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270

3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4

1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4

3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5

0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64

4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38

1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)

2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)

3.8+2-8+2

4.25*4/25*4

5.7.26-(5.26-1.5)

6.286+198

7.314-202

8.526+301

9.223-99

10.6.25+3.85-2.125+3.875

11.9-2456*21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375+5.75+2.25+6.625

15.1001-9036÷18

16.3.8×5.25+14.5

17.2.1*4.3+5.7*2.1

18.30×1/3

19.102*45-328

20.2/3×12

21.2.8*3.1+17.6/8

22.3/5×5/6

23.(50-12.5)/2.5

24.2/5×1/3

25.6110*47+639

26.1/2-1/6

27.3.5*2.7-52.2/18

28.1/7×1/5

29.3.375*0.97+0.97*6.625

30.25×4/5

31.6.54+2.4+3.46+0.6

32.5/6-1/2

33.95.6*1.8+95.6*8.2

34.1/2×1/5

35.600-420/12

36.344/3.6-5.4*0.25

37.16/2+30/2+90/6

38.3001-1998.

39.5000-105*34

40.0.15/0.25+0.75*1.2

41.(1/2+1/3+1/4)*0.24

42.(25+4)*4

43.300-4263/21

44.0.81/0.25+5.96

45.403÷13×27

46.1.5×4.2-0.75÷0.25

47.3.27×4 +3.27×5.7

48.(1.2+ 1.8)×4.51025-768÷32

49.0.25×80-0.45÷0.9

50.1025-768÷32

51.0.25*2.69*4

52.2348+275*16

53.2/9*15/8-1/12*9/5

54.2.4+2.4*(5.375-3.375)

55.645-45*12

56.0.15+1.2/0.24-0.45

57.3.75-(2.35+0.25/1.25)

58.76*1/4+23*25/100+0.25

59.10-2.87-7.13

60.0.96+9.6*9.9

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8+2.2*16+16

64.401*19+284

65.58.7-16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.31-1.125-7.875

68.640+128*45

69.8.2*1.6-0.336/4.2

70.400*(0.62+0.08)

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

没小数

123+25=148 123-35=88 56×7=392 135÷5=27

248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...

456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...

879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...

457+456=913...

7+14=21 ... 18-9=9...

8+16=24 ... 25-5=20...

9+18=27... 56-45=11...

10+20=30... 45-23=22...

11+22=33... 78-23=55...

12+24=36...

10-3=7

15-4=11

20-5=15

25-6=19

30-7=23

35-8=27

40-9=31

45-10=35

50-11=39

55-12=43

60-13=47

65-14=51

70-15=55

75-16=59

80-17=63

85-18=67

90-19=71

95-20=75

100-21=79

105-22=83

110-23=87

115-24=91

120-25=95

125-26=99

130-27=103

13+26=39...

14+28=42...

15+30=45...

16+32=48...

17+34=51...

18+36=54...

19+38=57...

20+40=60...

21+42=63...

22+44=66...

23+46=69...

24+48=72...

25+50=75...

26+52=78...

27+54=81...

28+56=84...

29+58=87...

30+60=90...

31+62=93...

32+64=96...

33+66=99...

5 ÷1 =5

10 ÷2 =5

15 ÷3 =5

20 ÷4 =5

25 ÷5 =5

30 ÷6 =5

35 ÷7 =5

40 ÷8 =5

45 ÷9 =5

50 ÷10 =5

55 ÷11 =5

60 ÷12 =5

65 ÷13 =5

70 ÷14 =5

75 ÷15 =5

80 ÷16 5

85 ÷17 5

90 ÷18 5

95 ÷19 5

100 ÷20 5

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

12÷3/5=12×( 5/3) 9÷6/7=9×( 7/6 ) 30÷5/6=30×(6/5 ) 4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 ) A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12

14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5

10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44

0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2

1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270

3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4

1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4

3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5

0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64

4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38

1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)

2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)

3.8+2-8+2

4.25*4/25*4

5.7.26-(5.26-1.5)

6.286+198

7.314-202

8.526+301

9.223-99

10.6.25+3.85-2.125+3.875

11.9-2456*21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375+5.75+2.25+6.625

15.1001-9036÷18

16.3.8×5.25+14.5

17.2.1*4.3+5.7*2.1

18.30×1/3

19.102*45-328

20.2/3×12

21.2.8*3.1+17.6/8

22.3/5×5/6

23.(50-12.5)/2.5

24.2/5×1/3

25.6110*47+639

26.1/2-1/6

27.3.5*2.7-52.2/18

28.1/7×1/5

29.3.375*0.97+0.97*6.625

30.25×4/5

31.6.54+2.4+3.46+0.6

32.5/6-1/2

33.95.6*1.8+95.6*8.2

34.1/2×1/5

35.600-420/12

36.344/3.6-5.4*0.25

37.16/2+30/2+90/6

38.3001-1998.

39.5000-105*34

40.0.15/0.25+0.75*1.2

41.(1/2+1/3+1/4)*0.24

42.(25+4)*4

43.300-4263/21

44.0.81/0.25+5.96

45.403÷13×27

46.1.5×4.2-0.75÷0.25

47.3.27×4 +3.27×5.7

48.(1.2+ 1.8)×4.51025-768÷32

49.0.25×80-0.45÷0.9

50.1025-768÷32

51.0.25*2.69*4

52.2348+275*16

53.2/9*15/8-1/12*9/5

54.2.4+2.4*(5.375-3.375)

55.645-45*12

56.0.15+1.2/0.24-0.45

57.3.75-(2.35+0.25/1.25)

58.76*1/4+23*25/100+0.25

59.10-2.87-7.13

60.0.96+9.6*9.9

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8+2.2*16+16

64.401*19+284

65.58.7-16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.31-1.125-7.875

68.640+128*45

69.8.2*1.6-0.336/4.2

70.400*(0.62+0.08)

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

123+25=148 123-35=88 56×7=392 135÷5=27

248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...

456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...

879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...

457+456=913...

7+14=21 ... 18-9=9...

8+16=24 ... 25-5=20...

9+18=27... 56-45=11...

10+20=30... 45-23=22...

11+22=33... 78-23=55...

12+24=36...

10-3=7

15-4=11

20-5=15

25-6=19

30-7=23

35-8=27

40-9=31

45-10=35

50-11=39

55-12=43

60-13=47

65-14=51

70-15=55

75-16=59

80-17=63

85-18=67

90-19=71

95-20=75

100-21=79

105-22=83

110-23=87

115-24=91

120-25=95

125-26=99

130-27=103

13+26=39...

14+28=42...

15+30=45...

16+32=48...

17+34=51...

18+36=54...

19+38=57...

20+40=60...

21+42=63...

22+44=66...

23+46=69...

24+48=72...

25+50=75...

26+52=78...

27+54=81...

28+56=84...

29+58=87...

30+60=90...

31+62=93...

32+64=96...

33+66=99...

5 ÷1 =5

10 ÷2 =5

15 ÷3 =5

20 ÷4 =5

25 ÷5 =5

30 ÷6 =5

35 ÷7 =5

40 ÷8 =5

45 ÷9 =5

50 ÷10 =5

55 ÷11 =5

60 ÷12 =5

65 ÷13 =5

70 ÷14 =5

75 ÷15 =5

80 ÷16 5

85 ÷17 5

90 ÷18 5

95 ÷19 5

100 ÷20 5

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

12÷3/5=12×( 5/3) 9÷6/7=9×( 7/6 ) 30÷5/6=30×(6/5 ) 4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 ) A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12

14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5

10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44

0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2

1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270

3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4

1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4

3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5

0.51÷17=0.03, 32.8+19=51.8, 5.2÷1.3=4, 1.6×0.4= 0.64

4.9×0.7=3.43, 1÷5=0.2, 6÷12=0.5, 0.87-0.49=0.38

回答者:370116 - 武林盟主 十六级 2-25 14:34

1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)

2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)

3.8+2-8+2

4.25*4/25*4

5.7.26-(5.26-1.5)

6.286+198

7.314-202

8.526+301

9.223-99

10.6.25+3.85-2.125+3.875

11.9-2456*21

12.0.5/11.5-4*2.75

13.1/2×3/5

14.3.375+5.75+2.25+6.625

15.1001-9036÷18

16.3.8×5.25+14.5

17.2.1*4.3+5.7*2.1

18.30×1/3

19.102*45-328

20.2/3×12

21.2.8*3.1+17.6/8

22.3/5×5/6

23.(50-12.5)/2.5

24.2/5×1/3

25.6110*47+639

26.1/2-1/6

27.3.5*2.7-52.2/18

28.1/7×1/5

29.3.375*0.97+0.97*6.625

30.25×4/5

31.6.54+2.4+3.46+0.6

32.5/6-1/2

33.95.6*1.8+95.6*8.2

34.1/2×1/5

35.600-420/12

36.344/3.6-5.4*0.25

37.16/2+30/2+90/6

38.3001-1998.

39.5000-105*34

40.0.15/0.25+0.75*1.2

41.(1/2+1/3+1/4)*0.24

42.(25+4)*4

43.300-4263/21

44.0.81/0.25+5.96

45.403÷13×27

46.1.5×4.2-0.75÷0.25

47.3.27×4 +3.27×5.7

48.(1.2+ 1.8)×4.51025-768÷32

49.0.25×80-0.45÷0.9

50.1025-768÷32

51.0.25*2.69*4

52.2348+275*16

53.2/9*15/8-1/12*9/5

54.2.4+2.4*(5.375-3.375)

55.645-45*12

56.0.15+1.2/0.24-0.45

57.3.75-(2.35+0.25/1.25)

58.76*1/4+23*25/100+0.25

59.10-2.87-7.13

60.0.96+9.6*9.9

61.7.5-5.7*1/3

62.12.37-3.25-6.75

63.16*6.8+2.2*16+16

64.401*19+284

65.58.7-16.65/3.7

66.0.4*4.7*2.5+(2.3+5.3)

67.9.31-1.125-7.875

68.640+128*45

69.8.2*1.6-0.336/4.2

70.400*(0.62+0.08)

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

123+25=148 123-35=88 56×7=392 135÷5=27

248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...

456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...

879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...

457+456=913...

7+14=21 ... 18-9=9...

8+16=24 ... 25-5=20...

9+18=27... 56-45=11...

10+20=30... 45-23=22...

11+22=33... 78-23=55...

12+24=36...

10-3=7

15-4=11

20-5=15

25-6=19

30-7=23

35-8=27

40-9=31

45-10=35

50-11=39

55-12=43

60-13=47

65-14=51

70-15=55

75-16=59

80-17=63

85-18=67

90-19=71

95-20=75

100-21=79

105-22=83

110-23=87

115-24=91

120-25=95

125-26=99

130-27=103

13+26=39...

14+28=42...

15+30=45...

16+32=48...

17+34=51...

18+36=54...

19+38=57...

20+40=60...

21+42=63...

22+44=66...

23+46=69...

24+48=72...

25+50=75...

26+52=78...

27+54=81...

28+56=84...

29+58=87...

30+60=90...

31+62=93...

32+64=96...

33+66=99...

5 ÷1 =5

10 ÷2 =5

15 ÷3 =5

20 ÷4 =5

25 ÷5 =5

30 ÷6 =5

35 ÷7 =5

40 ÷8 =5

45 ÷9 =5

50 ÷10 =5

55 ÷11 =5

60 ÷12 =5

65 ÷13 =5

70 ÷14 =5

75 ÷15 =5

80 ÷16 5

85 ÷17 5

90 ÷18 5

95 ÷19 5

100 ÷20 5

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

12÷3/5=12×( 5/3) 9÷6/7=9×( 7/6 ) 30÷5/6=30×(6/5 ) 4×(3/2 )=4÷2/3 ( 4 )÷5/7=4×7/5 3÷4/5=3×5/4 ( 24 )÷7/16=24×(16/7 ) A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7

2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2

4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35

4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14

30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18

5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4

10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5

8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8

9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18

27÷9=3

53+8=61

4×9=36

8÷2=4

32÷8=4

8÷1=8

9×9=81

84+7=91

80-44=36

1800-900=900

4900-1800=3100

420+80=500

430+1000= 1430

500-60= 440

89-8= 81

64-8= 56

34+9= 43

14÷7= 2

5+58= 63

64÷8= 8

6×3= 18

9×9= 81

72÷8= 9

78+15= 93

83-20= 63

43-30= 13

9÷1= 9

280+450= 730

7÷7= 1

3600+5800= 9400

8×9+21= 93

4600+4700= 9300

730-190= 540

3700-370= 3330

8500-5500= 3000

3200+5100= 8300

96-42= 54

1200-400= 800

830-300= 530

800+900= 1700

58-36= 22

7000+3000= 100000

5×7= 35

72÷9= 8

36÷6= 6

81÷9= 9

42+13= 55

24÷3= 8

24+8= 32

27-3= 24

42+13= 55

42-6= 36

7+44= 51

42÷7= 6

64-8= 56

21÷3= 7

4×8= 32

54÷9= 6

49÷7= 7

42÷7= 6

35÷7= 5

19+41= 60

24-6×3=6

4×8-5= 27

27÷3+6= 15

56÷7-3= 5

49÷9+7= (小数点后几位)

4×3÷2= 6

6÷3×7= 14

8÷4×3= 6

6×5+37= 67

12÷4+18= 21

16÷4×8= 32

8÷4+48= 50

25÷5+36= 41

6×8—42= 6

2×8÷4= 4

8×9÷9= 8

36÷6÷3= 2

9÷9×6= 6

42÷7×6= 36

96-80+7= 23

64-40-8= 16

40-4+20= 56

7×5-8= 27

14÷7+25= 27

15÷5+8= 11

8×9-8= 64

1×2+20= 22

16÷8+30 =32

7×7+8= 57

54÷6+33= 42

510+200= 710

15-45÷9= 10

11-40÷8= 6

7+1×8= 15

130+80= 210

46-8= 38

8×5-7= 33

9×3-8= 19

30÷6= 5

36÷4= 9

4×5+44=64

48÷8+7= 13

1800+200= 2000

93-80= 13

6×5+37= 67

10-8÷1= 2

7×8= 56

73-4= 69

3×8÷4= 6

7×6+10= 23

72÷8= 9

64-8= 58

24×0= 0

71-7+30= 94

6+2×8 =22

35-9= 26

70-5×9= 25

8×9+21= 93

17×40= 100-63= 3.2+1.68= 2.8×0.4=

14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=

10-5.4= 4÷20= 3.5×200= 1.5-0.06=

0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=

1.01×99= 420÷35= 25×12= 135÷0.5=

3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=

1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =

3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =

0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=

4.9×0.7= 1÷5= 6÷12= 0.87-0.49=

四年级口算100题带答案

四年级下册数学口算题

四年级下册口算题——乘法计算

15×3=15×30= 150×3= 150×30= 15×300= 3×150=

25×4=45×20= 50×40= 250×4=125×4=125×8=

21×4= 21×40=210×4= 60×90=600×8=60×50=

43×2= 20×34=3×230= 12×40=70×20=3×900=

60×90=12×7= 12×70=120×70= 800×90= 40×200=

35×20=25×20=500×30=18×5= 25×4= 350×20=

14×5= 140×50= 28×30= 30×20=40×40=140×20=

11×60=13×30=130×30=50×40=40×200= 50×600=

30×310=70×8= 410×20=20×10=16×100= 200×70=

50×200=32×30=13×300=40×800= 121×4=60×900=

10×460=120×3=20×500=70×20=250×4=120×50=

15×30= 25×30=250×3= 150×40= 25×300= 30×150=

25×40= 45×200= 70×40= 150×4=125×8=125×4=

210×4= 200×40= 310×3= 80×90=600×7=600×50=

43×20= 20×35=3×210= 120×60= 700×20= 30×240=

600×90=12×8= 120×60=500×70= 80×100= 90×200=

350×20=450×20= 500×20=16×50=45×4= 350×10=

140×5= 14×30= 26×30= 60×200= 340×20= 180×50=

110×60=11×300=230×30=550×4=440×20= 50×800=

20×320=700×8= 450×20=200×10= 17×100= 500×70=

60×200=34×30=19×300= 80×800= 122×4=70×900=

10×100=12×300=50×500=700×60= 125×8=160×50=

50×200=32×30=13×300= 40×800= 121×4=60×900=

100×46=220×3=60×500= 700×20= 150×4=220×40=

25×30= 250×30= 250×3=450×20= 75×20=30×150=

45×200=15×600= 700×40= 150×200=25×8= 25×40=

310×20=200×50= 110×9=800×30= 600×7=600×30=

430×20=300×25= 3×310= 120×70= 600×70= 80×200=

四年级下册口算题——混合运算

80÷2+100÷5=45-20×3÷4=

240÷6-2×15= 52-36÷3+20=

320-200÷5×8=140-20×5+25=

20×30+20×40= 25×(30+10)=

800÷40-400÷40=(840-400)÷4=

600÷(120÷60)= 60÷(10+120÷60)=

(600÷10+10)÷7= (26+14)×70=

260+14×(70-60)= (26+14)×(70-40)=

90÷(30×15÷50)=(35+45)÷(90-10)=

6×10-(21+29)=25×(22+26×3)=

320-(120+25×4)= 80÷(32+8)×300=

3000-[(32+8)×30]=30×[169-(60+9)]=

36÷3+6×2= 30÷(3+6×2)=

36÷[(3+6)×2]=180÷(36÷12)+6=

180÷(36÷12+6)=180÷[36÷(12+6)]=

450÷15+10×3=450÷(15+10)×3=

450÷[(15+10)×2]=240+180÷30×2=

(40+180÷30)×2=(240+180)÷(30×2)=

36+360÷12= 800-800÷80×30=

800-(70×6+180)= 65×(40+20×3)=

四年级下册口算题——运算律

52+44+148=78+125+75=

79+89+121=25×62×4=

125×7×8=70×12×5=

32×25= 5×(12×11)=

560÷16=70×105=

65×5+35×5= 65×5+45×5=

65×50+35×50= 12×70+38×70=

5×121+79×5=45×6+35×6=

67×5-37×5= 120×90-110×90=

39×8-6×39= 326×78-326×68=

125×(8+4)= 12×(40-5)=

68×48+68×52= 5×27+63×5=

64×9-14×9= 23×134-34×23=

43+43×99=99×62+62=

48×101-48=102×45=

648+203=63×15×2=

44×25= 36×101=

36×102=45×99=

256×7-56×7=49×25×8=

79×32+79×68=67×101-67=

以上就是四年级数学口算题下册的全部内容,小学四年级下册数学口算题如下:1、45+15×6= 135 2、250÷5×8=400 3、6×5÷2×4=60 4、30×3+8=98 5、400÷4+20×5= 200 6、10+12÷3+20=34 7、(80÷20+80)÷4=21 8、70+(100-10×5)=120 9、360÷40= 9 10、40×20= 800 11、80-25= 55 12、70+45=115 13、内容来源于互联网,信息真伪需自行辨别。如有侵权请联系删除。

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