问题
解答题
口算
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答案
5-2.8=2.2, | 4×0.25=1, | 0.46÷4.6=0.1, | 5.8+4.6=10.4, |
0.32×0.2=0.064, | 32.1×0.3=9.63, | 7.5-0.3=7.2, | 3.2÷0.08=40. |
口算
|
5-2.8=2.2, | 4×0.25=1, | 0.46÷4.6=0.1, | 5.8+4.6=10.4, |
0.32×0.2=0.064, | 32.1×0.3=9.63, | 7.5-0.3=7.2, | 3.2÷0.08=40. |