38.2×7.5+75+0.75×518如何简便方法运算?
的有关信息介绍如下:38.2×7.5+75+0.75×518=3.82×75+75+75×5.18=75×﹙3.82+1+5.18﹚=75×10=750
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38.2×7.5+75+0.75×518=3.82×75+75+75×5.18=75×﹙3.82+1+5.18﹚=75×10=750