x/(xy-y²)=x/[y(x-y)]
y/(x²-xy)=y/[x(x-y)]
∴公分母为:xy(x-y)
通分后得
x/(xy-y²)=x²/[xy(x-y)]
y/(x²-xy)=y²/[xy(x-y)]
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x/(xy-y²)=x/[y(x-y)]
y/(x²-xy)=y/[x(x-y)]
∴公分母为:xy(x-y)
通分后得
x/(xy-y²)=x²/[xy(x-y)]
y/(x²-xy)=y²/[xy(x-y)]
很高兴为您解答,【学习宝典】团队为您答题.
请点击下面的【选为满意回答】按钮,