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解:2x/x²-64y² - 1/x-8y
=2x/(x+8y)(x-8y) - 1/x-8y
=2x/(x+8y)(x-8y) - 1(x+8y)/(x-8y)(x+8y)
=2x-(x+8y)/(x+8y)(x-8y)
=2x-x-8y/(x+8y)(x-8y)
=x-8y/(x+8y)(x-8y)
=1/x+8y
望采纳,谢谢啦! (*^▽^*)
=2x/(x+8y)(x-8y) - 1/x-8y
=2x/(x+8y)(x-8y) - 1(x+8y)/(x-8y)(x+8y)
=2x-(x+8y)/(x+8y)(x-8y)
=2x-x-8y/(x+8y)(x-8y)
=x-8y/(x+8y)(x-8y)
=1/x+8y
望采纳,谢谢啦! (*^▽^*)
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