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1.32×1.32+13.2×0.866+0.0264怎么巧算

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1.32×1.32+13.2×0.866+0.0264怎么巧算
怎么简便计算那1.32×1.32+13.2×0.866+0.0264
1.32×1.32+13.2×0.866+0.0264怎么巧算
1.32×1.32+13.2×0.866+0.0264 =1.32*1.32+1.32*8.66+1.32*0.02 =1.32*(1.32+8.66+0.02) =1.32*10 =13.2