填空题:y分之x/(1-x+y分之y)的结果是_____

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填空题:y分之x/(1-x+y分之y)的结果是_____填空题:y分之x/(1-x+y分之y)的结果是_____填空题:y分之x/(1-x+y分之y)的结果是_____y分之x/(1-(x+y)分之y

填空题:y分之x/(1-x+y分之y)的结果是_____
填空题:y分之x/(1-x+y分之y)的结果是_____

填空题:y分之x/(1-x+y分之y)的结果是_____
y分之x/(1-(x+y)分之y)
=(x/y)/[(x+y-y)/(x+y)]
=(x/y)/[x/(x+y)]
=(x+y)/y
=x/y+1
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