5年级下小数简便运算练习题

1.120-36×4÷18+352.（58+37）÷（64-9×5）3.(6.8-6.8×0.55)÷8.54.0.12×4.8÷0.12×4.85.（3.2×1.5+2.5）÷1.6（2）3.2×（

20.09×48-200.9×1.4+2009×0.66=20.09×48-20.09×14+20.09×66=20.09×(48-14+66)=20.09*100=2009

我说了哈!8.76+2.43+7.572.5×8＋12.5×425×0.321.93+2.7+2.07+7.30.56×99+0.561.2×2.5×4(0.25+2.5+25)×0.412.5＋5×

我说了8.76+2.43+7.572.5×8＋12.5×425×0.32+1.221.93+2.7+2.07+7.30.56×99+0.561.2×2.5×4(0.25+2.5+25)×0.412.5

25.44+5.6+4.56=25.44+4.56+5.6=30+5.6=35.612.3+7+0.7=12.3+0.7+7=13+7=20.

没有答案的1、1/2×2/5＋9/10÷9/202、5/9×3/10＋2/7÷2/53、1/2＋1/4×4/5－1/154、3/4×5/7×4/3－1/25、23－8/9×1/27÷1/276、8×5

题目呢再问：自己想再答：是你自己想吧～～～～再问：随便想20个再答：25×42×468×125×84×39×254×25+16×254×25×16×25(25+15)×4（25×15）×449×49+

0.42*1/2=0.36*0.5=0.51÷1.7=5.2÷0.13=99*1.01=13.5-2.8-7.2=32.8+19=1.06*0.4=2/5+3/5=1-7/8=6x+18=4825*0

1、6.7-4又9分之4+3.3-4有9分之52、2.5×0·375乘43、4分之3×6·74+1·26×4分之3

0.8×（4.3×1.25）3.12＋3.12×9928.6×101－28.6（4.23＋6.17）×0.80.86×15.7－0.86×14.72.4×10214－7.32－2.682.64＋8.6

1、1/2×2/5＋9/10÷9/202、5/9×3/10＋2/7÷2/53、1/2＋1/4×4/5－1/154、3/4×5/7×4/3－1/25、23－8/9×1/27÷1/276、8×5/6＋2/

哪一题?

到数学书里面找吧

5/12+3/4+1/12=1又4分之17/10+3/8+1/8=1又5分之14/15+5/6=1又10分之11/2-(3/4-3/8)=8分之15/6-(1/3+3/10)=5分之12/3+5/6=

46.8—8.12+3.2-11.88=(46.8+3.2)-(8.12+11.88)=50-20=30

8.1X10.1

4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134

解题思路：乘法分配律可解。3.75×18+62.5×1.8=3.75×18+6.25×18=（3.75+6.25）×18解题过程：3.75X18+62.5X1.8解：3.75×18+62.5×1.8=

二分之一+十七分之九+二分之三+十七分之八我们都学完了、快期末考了、、题目还要么?

34.5×8.23-34.5+2.77×34.519.98×37-199.8×1.9+1998×0.82314×0.043+3.14×7.2-31.4×0.153.9×1.2+0.1275×4.7+1