题目内容
用简便方法计算.
0.25×0.8×12.5×0.4
答案:
解析:
解析:
0.25×0.8×12.5×0.4 =(0.25×0.4)×(12.5×0.8) =0.1×10 =1 |
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题目内容
用简便方法计算.
0.25×0.8×12.5×0.4
0.25×0.8×12.5×0.4 =(0.25×0.4)×(12.5×0.8) =0.1×10 =1 |