化简(x-4y)/(√x-2√y)-【(x+y+2√xy)/(x+√xy)】√/(√x/x+√y√y)
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化简(x-4y)/(√x-2√y)-【(x+y+2√xy)/(x+√xy)】√/(√x/x+√y√y)
化简(x-4y)/(√x-2√y)-【(x+y+2√xy)/(x+√xy)】√/(√x/x+√y√y)
化简(x-4y)/(√x-2√y)-【(x+y+2√xy)/(x+√xy)】√/(√x/x+√y√y)
这个吗?
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