计算:x눀-1⼀y눀÷x+1⼀y?

2025-06-26 09:01:01
推荐回答(1个)
回答1:

(x²-1/y²)÷(x+1/y)

=(x+1/y)(x-1/y)÷(x+1/y)

=x-1/y