直接写出得数. ×4÷ ×4= | 1.45-0.75= | 0.75+ = | 1÷0.125-8= |
4× × = | 6.3×0.02= | ÷ = | 10× = |
×4÷ ×4=16, | 1.45-0.75=0.7, | 0.75+ =1, | 1÷0.125-8=0, |
4× × = , | 6.3×0.02=0.126, | ÷ = , | 10× =8. |
,0.126,
,8.分析:
×4÷
×4先把除法变成乘法,再运用乘法结合律简算;1÷0.125-8先算除法,再算减法;4×
×
运用乘法结合律简算;其它题目根据运算法则直接求解.点评:本题考查了基本的运算,计算时要细心,注意小数点的位置.
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