急需解答!谢谢!

2025-06-23 02:52:45
推荐回答(2个)
回答1:

√(x-2)/(x-2)÷√x/(x³-2x²)
=√[1/(x-2)(x³-2x²)/x
=√x
x-2≥0,x≠2,x>2

回答2:

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