急分式加减计算5x/y-3+2x/3-y

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急分式加减计算5x/y-3+2x/3-y急分式加减计算5x/y-3+2x/3-y急分式加减计算5x/y-3+2x/3-y5x/y-3+2x/3-y=5x/(y-3)-2x/(y-3)=(5x-2x)/

急分式加减计算5x/y-3+2x/3-y
急分式加减计算5x/y-3+2x/3-y

急分式加减计算5x/y-3+2x/3-y
5x/y-3+2x/3-y
=5x/(y-3)-2x/(y-3)
=(5x-2x)/(y-3)
=3x/(y-3)

5x/y-3+2x/3-y
=5x/(y-3)-2x/(y-3)
=(5x-2x)/(y-3)
=3x/(y-3)