计算:25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9
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计算:25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9
计算:25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9
计算:25(x/3-x/2+2/5)-2=3/5(x-2/7)+4/9
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