8.36×42.8÷21.4。用简便方法计算
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8.36×42.8÷21.4=8.36×2=16.72
咨询记录 · 回答于2022-10-24
8.36×42.8÷21.4。用简便方法计算
8.36×42.8÷21.4=8.36×2=16.72
那它的简便方法怎么计算呢?
就是这个8.36×42.8÷21.4=8.36×2=16.72
8.36×42.8÷21.4=(8.36×42.8)÷21.4=8.36×(42.8÷21.4)=16.728.36×2=16.72
8.36×42.8÷21.4=(8.36×42.8)÷21.4=8.36×(42.8÷21.4)=8.36×2=16.72