题目内容
口算
1÷0.01= | 2.4×= | 456-199= | 0.25÷= |
+0.25= | = | = | = |
解:1÷0.01=100, | 2.4×=0.9, | 456-199=257, | 0.25÷=1.5, |
+0.25=0.5, | =, | =, | =. |
分析:我们运用分数乘除法的计算法则进行计算即可.注意计算的结果分数要化成最简分数.
点评:本题运用分数的乘除法的计算法则进行解答即可.
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题目内容
1÷0.01= | 2.4×= | 456-199= | 0.25÷= |
+0.25= | = | = | = |
解:1÷0.01=100, | 2.4×=0.9, | 456-199=257, | 0.25÷=1.5, |
+0.25=0.5, | =, | =, | =. |