4.6×0.9-2.7×1.3的简便算法
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4.6×0.9-2.7×1.3的简便算法=4.6x0.9-0.9x3x1.3
咨询记录 · 回答于2023-04-23
4.6×0.9-2.7×1.3的简便算法
4.6×0.9-2.7×1.3的简便算法=4.6x0.9-0.9x3x1.3
4.6×0.9-2.7×1.3的简便算法=4.6x0.9-0.9x3x1.3=4.6x0.9-0.9x3.9=0.9x(4.6-3.9)=0.9x0.7=0.63
4.6x0.9-0.9x3x1.3=0.63