2.4×0.82+0.48×5.9简便计算
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答案4.8,简便计算。 2.4x0.82+0.48x5.9 =0.24x8.2+0.48x5.9 =0.24x2x4.1+0.48x5.9 =0.48x4.1+0.48x5.9 =0.48x(4.1+5.9) =0.48x10 =4.8
咨询记录 · 回答于2022-11-04
2.4×0.82+0.48×5.9简便计算
答案4.8,简便计算。 2.4x0.82+0.48x5.9 =0.24x8.2+0.48x5.9 =0.24x2x4.1+0.48x5.9 =0.48x4.1+0.48x5.9 =0.48x(4.1+5.9) =0.48x10 =4.8
答案4.8,简便计算。 2.4x0.82+0.48x5.9 =0.24x8.2+0.48x5.9 =0.24x2x4.1+0.48x5.9 =0.48x4.1+0.48x5.9 =0.48x(4.1+5.9) =0.48x10 =4.8
运用乘法分配律的逆运算,axb+axc=ax(b+c)
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