六年级数学简便运算(带答案) 十万火急!!!!!!!!!!!!!!!!!!!!!!!!!35道啊

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#热议# 海关有哪些禁运商品？查到后怎么办？

zxming189
2012-02-26 · TA获得超过284个赞

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32×125×25 

=4×8×125×25 

=（4×25）×（8×125） 

=100×1000 

=100000 9048÷26

=（2600+2600+2600+1248）÷26

=2600÷26+2600÷26+2600÷26+1248÷26 

=100+100+100+48

=348

2881÷ 43 

=（1290+1591）÷ 43 

=1290÷43+1591÷43 

=30+37 =67 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) 

=423

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 =33 (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 最后祝学习进步!!!

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