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x一二分之一x=1.5
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x-1/2x=1.5(1-1/2)x=1.51/2x=1.50.5x=1.5x=1.5÷0.5x=3
咨询记录 · 回答于2022-07-01
x一二分之一x=1.5
x-1/2x=1.5(1-1/2)x=1.51/2x=1.50.5x=1.5x=1.5÷0.5x=3
太慢了
手写很快,但是打字自然需要时间
解析:1、提取x的系数,1-1/22、将分数变为小数进行统一,方便计算3、等式两端同时除系数0.5,得到x的值。
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