脱式计算六年级300道?1、1.25×(8+10)=1.25×8+1.25×10 =10+12.5 =22.5 2、1.24+0.78+8.76 =(1.24+8.76)+0.78 =10+0.78 =10.78 3、1/2-(4/5-1/2)=1/2+1/2-4/5 =1-4/5 =1/5 4、4800÷25÷4 =4800÷(25x4)=4800÷100 =4800÷100 =48 5、那么,脱式计算六年级300道?一起来了解一下吧。
六年级脱式计算如下:
27÷3×7 3×6÷9 25÷5×8 45+8-23 63÷7×8 24-8+10 28÷4×7 35+24-12 48÷8×9 9405-2940÷28×21 920-1680÷40÷7 690+47×52-398 203-135÷9 28+120×8 97-12×6+43 26×4-125÷5 148+3328÷64-75 360×24÷32+730 2100-94+48×54
51+(2304-2042)×23 4215+(4361-716)÷81 (247+18)×27÷25 36-720÷(360÷18) 1080÷(63-54)×80 (528+912)×5-6178 8528÷41×38-904 264+318-8280÷69 (174+209)×26- 9000
814-(278+322)÷15 1406+735×9÷45 3168-7828÷38+504 796-5040÷(630÷7) 285+(3000-372)÷36 546×(210-195)÷30
34×3.535-3.5×34.34
=34×3.5×1.01-3.5×34×1.01
=0
8+89+899+8999+89999
=9+90+900+9000+90000-5
=99999-5
=99994
0.67×2.1+0.018×21+8.5×0.79
=0.67×2.1+0.18×2.1+8.5×0.79
=(0.67+0.18)×2.1+8.5×0.79
=0.85×2.1+0.85×7.9
=0.85×(2.1+7.9)
=0.85×10
=8.5
22222.2×9.99999
=22222.2×(10-0.00001)
=222222-0.222222
=222221.777778
1997×19961996-1996×19971997
=1997×1996×10001-1996×1997×10001
=0
0.02+0.04+0.06+0.08+……+19.94+19.96+19.98
=(0.02+19.98)×999÷2
=10×999
=9990
99999×77778+33333×66666
=99999×77778+99999×22222
=99999×(77778+22222)
=99999×100000
=9999900000
(4又5/6-3又3/4)/(3/14+2/7)
=13/12÷1/2
=13/6
=2又1/6
(4.8/1又4/5+3又1/2+7又1/3)*4/9
=(2又2/3+7又1/3+3.5)*4/9
=(10+3.5)*4/9
=13.5*4/9
=6
17.2/【(3又2/5-1.25)*2/3】
=17.2/【2.15*2/3】
=17.2÷43/3
=1.2
5*5又1/5
=5*5+5*1/5
=25+1
=26
(5又2/5-1.8)/[(1.15+13/20)*1又2/3]
=3.6/[1.8*5/3]
=3.6/3
=1.2
3又5/8*5又1/5+5又1/5*6又3/8
=5.2*(3又5/8+6又3/8)
=5.2*10
=52
[3/4-7/8/(5/6+4/5)]*28
=[3/4-7/8÷49/30]*28
=[3/4-15/28]*28
=3/4*28-15/28*28
=21-15
=6
(1.25*4/5-0.76)/(1又3/8+1又1/40)
=(1-0.76)/2.4
=0.24/2.4
=0.1
[(0.2+1/3)*4.5]/(8又1/20-6.45)
=8/15*4.5/1.6
=2.4/1.6
=1.5
x+3又2/3=5
x*9又3/4=7又1/11 x/2/5=10
6又2/3-x=4.25 6.4*1.7+6又2/5*8.3
(4又6/7+1.75)/1又11/14+3又5/6
2.16-7x=0.06
1/2x-0.5=5又1/2
8.16-1.26/0.3*1.5
=8.16-4.2*1.5
=8.16-6.3
=1.86
8.4*[(1.2+3又1/3)/3.4-1/2]
=8.4*[68/16/3.4-1/2]
=8.4*[5/4-1/2]
=8.4*3/4
=6.3
5.8:x=3又1/2:7
3.5x=7*5.8
x=7/3.5*5.8
x=2*5.8
x=11.6
3/10*55-4x=14.5
16.5-4x=14.5
4x=2
x=0.2
19.38-4又7/8-5又1/8
=1.938-(4又7/8+5又1/8)
=19.38-10
=9.38
13又7/13-(6又3/5+3又7/13)
=13又7/13-3又7/13-6又3/5
=10-6又3/5
=3.4
1又3/4+[2又3/14-(2又3/14-1.875)]/2又1/12
=1又3/4-15/8*12/25
=1又3/4-9/10
=0.85
(9.4-8又2/5)/[(1.1+1/15)*1又7/18]
=1/[7/6*25/18]
=1÷175/108
=108/175
1.6÷ 3/8 – 3/8 ÷6 =1/6x(3/8-3/8) =1/6x0 =0 2.4/7 × 5/9 + 3/7 × 5/9 =(4/7+3/7)x5/9 =1x5/9 =5/9 3.5/2 -( 3/2 + 4/5 ) =5/2-3/2-4/5 =1-4/5 =1/5 4.6 ×( 1/2 + 2/3 ) =6x1/2+6x2/3 =3+4 =7 5.8 × 4/5 + 8 × 11/5 =8x(4/5+11/5) =8x3 =24 6.31 × 5/6 – 5/6 =(31-1)x5/6 =30x5/6 =25 7.4/5 × 25/16 + 2/3 × 3/4 =5/4+1/21.6÷ 3/8 – 3/8 ÷6 =1/6x(3/8-3/8) =1/6x0 =0 2.4/7 × 5/9 + 3/7 × 5/9 =(4/7+3/7)x5/9 =1x5/9 =5/9 3.5/2 -( 3/2 + 4/5 ) =5/2-3/2-4/5 =1-4/5 =1/5 4.6 ×( 1/2 + 2/3 ) =6x1/2+6x2/3 =3+4 =7 5.8 × 4/5 + 8 × 11/5 =8x(4/5+11/5) =8x3 =24 6.31 × 5/6 – 5/6 =(31-1)x5/6 =30x5/6 =25 7.4/5 × 25/16 + 2/3 × 3/4 =5/4+1/2
分数脱式计算具体如下:
1、3/7 × 49/9 - 4/3
2、8/9 × 15/36 + 1/27
3、12× 5/6 – 2/9 ×3
4、8× 5/4 + 1/4
5、6÷ 3/8 – 3/8 ÷6
6、4/7 × 5/9 + 3/7 × 5/9
7、5/2 -( 3/2 + 4/5 )
8、7/8 + ( 1/8 + 1/9 )
9、9 × 5/6 + 5/6
10、3/4 × 8/9 - 1/3
11、7 × 5/49 + 3/14
12、6 ×( 1/2 + 2/3 )
13、8 × 4/5 + 8 × 11/5
14、31 × 5/6 – 5/6
15、9/7 - ( 2/7 – 10/21 )
16、5/9 × 18 – 14 × 2/7
17、4/5 × 25/16 + 2/3 × 3/4
18、14 × 8/7 – 5/6 × 12/15
19、17/32 – 3/4 × 9/24
20、3 × 2/9 + 1/3
一、6÷3/8 – 3/8 ÷6
=1/6x(3/8-3/8)
=1/6x0
=0
二、4/7 ×5/9 + 3/7 × 5/9
=(4/7+3/7)x5/9
=1x5/9
=5/9
三、5/2 -( 3/2 + 4/5 )
=5/2-3/2-4/5
=1-4/5
=1/5
四、6 ×( 1/2 + 2/3 )
=6x1/2+6x2/3
=3+4
=7
五、8 × 4/5 + 8 × 11/5
=8x(4/5+11/5)
=8x3
=24
六、31 × 5/6 – 5/6
=(31-1)x5/6
=30x5/6
=25
七、4/5 × 25/16 + 2/3 × 3/4
=5/4+1/2
=5/4+2/4
=7/4
八、101 × 1/5 – 1/5 × 21
=(101-21)x1/5
=80x1/5
=16
九、解比例:
8 : x = 24 : 15 x : 0.15 = 3.6 : 910 1.2x = 45
2.4 : 135 = 12 : x 110 : x = 0.2 : 14 3.6 : 15 = x : 2212
十、简便运算:
① 4×127 +4×29 + 57 ×4 ② 567+98 ③ 213 ×12.5×67 ×8 ④ 127 - 56 - 16
⑤ 2178 ÷7 ⑥ (13 + 15 )×45 ⑦ 0.4×7+0.4×3
扩展资料:
在四则运算中,加法和减法叫做第一级运算,乘法和除法叫做第二级运算。
以上就是脱式计算六年级300道的全部内容,分数脱式计算具体如下:1、3/7 × 49/9 - 4/3 2、8/9 × 15/36 + 1/27 3、12× 5/6 – 2/9 ×3 4、8× 5/4 + 1/4 5、6÷ 3/8 – 3/8 ÷6 6、4/7 × 5/9 + 3/7 × 5/9 7、5/2 -( 3/2 + 4/5 )8、7/8 + ( 1/8 + 1/9 )9、。