谁有10道脱式计算题 我有急 急 急用!!!(带答案)

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2013-08-19 · TA获得超过114个赞
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0.4×125×25×0.8
=(0.4×25)×(125×0.8)
=10×100=1000

1.25×(8+10)
=1.25×8+1.25×10
=10+12.5=22.5

9123-(123+8.8)
=9123-123-8.8
=9000-8.8
=8991.2

1.24×8.3+8.3×1.76
=8.3×(1.24+1.76)
=8.3×3=24.9

9999×1001
=9999×(1000+1)
=9999×1000+9999×1
=10008999

14.8×6.3-6.3×6.5+8.3×3.7
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7
8.3×(6.3+3.7)
=8.3×10
=83

1.24+0.78+8.76
=(1.24+8.76)+0.78
=10+0.78
=10.78

933-157-43
=933-(157+43)
=933-200
=733

4821-998
=4821-1000+2
=3823

I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000

9048÷268
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269
=100+100+100+48
=348

2881÷ 43
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37

3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=4237
1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65

6.5×8+3.5×8-47
=52+28-47
=80-47

(80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76

8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7

2700×(506-499)÷900
=2700×7÷900
=18900÷900
=21

33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5
=33.02-23.02
=10

(1÷1-1)÷5.1
=(1-1)÷5.1
=0÷5.1
=0

18.1+(3-0.299÷0.23)×1
=18.1+1.7×1
=18.1+1.7
=19.8
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10...2@qq.com
2013-08-20
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0.4×125×25×0.8
=(0.4×25)×(125×0.8)
=10×100=1000

1.25×(8+10)
=1.25×8+1.25×10
=10+12.5=22.5

9123-(123+8.8)
=9123-123-8.8
=9000-8.8
=8991.2

1.24×8.3+8.3×1.76
=8.3×(1.24+1.76)
=8.3×3=24.9

9999×1001
=9999×(1000+1)
=9999×1000+9999×1
=10008999

14.8×6.3-6.3×6.5+8.3×3.7
=(14.8-6.5)×6.3+8.3×3.7
=8.3×6.3+8.3×3.7
8.3×(6.3+3.7)
=8.3×10
=83

1.24+0.78+8.76
=(1.24+8.76)+0.78
=10+0.78
=10.78

933-157-43
=933-(157+43)
=933-200
=733

4821-998
=4821-1000+2
=3823

I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000

9048÷268
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269
=100+100+100+48
=348

2881÷ 43
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37

1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65

6.5×8+3.5×8-47
=52+28-47
=80-47

(80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76

8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7

2700×(506-499)÷900
=2700×7÷900
=18900÷900
=21

33.02-(148.4-90.85)÷2.5
=33.02-57.55÷2.5
=33.02-23.02
=10

(1÷1-1)÷5.1
=(1-1)÷5.1
=0÷5.1
=0

18.1+(3-0.299÷0.23)×1
=18.1+1.7×1
=18.1+1.7
=19.8
这里有20道你自己慢慢选!
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星辉之笔
2011-10-09
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(3又3/4-90.2+ 1/3 )×4.5÷(7.05+6又9/20)
=(3又3/4-90.2+ 1/3 )×4.5÷13.5
=(3又3/4-90.2+ 1/3 )×1/3
=5/4-30-1/15+1/9
=5/4-30+2/45
=233/180-30
=-28又127/180

[(1/3+4.8÷1又3/5)-2又2/3]×1又二分之一
=(1/3+4.8÷1又3/5)×1又二分之一 - 2又2/3×1又二分之一
=1/3×1又二分之一+4.8÷1又3/5×1又二分之一-2
=1/2+9/2-2
=3

[4/7×(3/5-0.25)+3/10]÷1/2
=[4/7×3/5-4/7×1/4]÷1/2+3/10÷1/2
=(12/35-1/7)÷1/2+3/5
=1/5÷1/2+3/5
1

[(5又1/4-4.25)×5/8]÷3/8+3.3÷11/6
=5/8÷3/8+33/10÷11/6
=5/3+9/5
53/15

(这么简单的还要问啊?很简单的嘛)
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