问题
解答题
口算:
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答案
21×0.7=1.47; | 16×3.2=51.2; | 0.98×14=13.72; |
23÷1000=0.023; | 3.6÷0.36=10; | 0.85+0.2+0.7=1.75; |
2÷0.25=8; | 12.5-7.5+2.5=7.5; | 1-0.3×0.2=0.94. |
口算:
|
21×0.7=1.47; | 16×3.2=51.2; | 0.98×14=13.72; |
23÷1000=0.023; | 3.6÷0.36=10; | 0.85+0.2+0.7=1.75; |
2÷0.25=8; | 12.5-7.5+2.5=7.5; | 1-0.3×0.2=0.94. |