(x+y)³÷(x+y)·(x+y)²等于几?

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(x+y)³÷(x+y)·(x+y)²等于几?
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(x+y)³÷(x+y)·(x+y)²等于几?
(x+y)³÷(x+y)·(x+y)²
等于几?

(x+y)³÷(x+y)·(x+y)²等于几?
(x+y)^3除以(x+y)乘(x+y)^2
=(x+y)^2乘(x+Y)^2
=(x+y)^4