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解答:x-(2/3-1/5)=3/8x-7/15=3/8X=101/120
x-(2/3-1/5)=3/8x-7/15=3/8x=3/8+7/15=101/120
x-(2/3-1/5)=3/8解:去括号,得x-2/3+1/5=3/8x-7/15=3/8x=101/120