直接写出得数. ×4= | 0.37+1.7= | 8.4÷0.7= | 3×25%= |
- = | 1.8× = | 44÷ = | ÷ = |
| 2×0.125×8= | × × = | 1÷ × = | × ÷ × = |
×4= , | 0.37+1.7=2.07, | 8.4÷0.7=12, | 3×25%= , |
- = , | 1.8× =1, | 44÷ =40, | ÷ = , |
| 2×0.125×8=2, | × × = , | 1÷ × = , | × ÷ × = . |
,2.07,12,
,
,1,40,
,2,
,
,
.分析:2×0.125×8利用乘法结合律简算;
×
×
运用乘法交换律简算;1÷
×
先算除法,再算乘法;
×
÷
×
先把除法变成乘法,再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:本题考查了基本的计算,计算时要细心,把运算的结果化成最简分数.
×4=
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