(2ab/a+b)²除以(2a²b²/b²-2ab-3a²)求过程. 最后答案是2(b-3a)/a+b
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![(2ab/a+b)²除以(2a²b²/b²-2ab-3a²)求过程. 最后答案是2(b-3a)/a+b](/uploads/image/z/3654482-50-2.jpg?t=%EF%BC%882ab%2Fa%2Bb%29%26%23178%3B%E9%99%A4%E4%BB%A5%EF%BC%882a%26%23178%3Bb%26%23178%3B%2Fb%26%23178%3B-2ab-3a%26%23178%3B%EF%BC%89%E6%B1%82%E8%BF%87%E7%A8%8B.+%E6%9C%80%E5%90%8E%E7%AD%94%E6%A1%88%E6%98%AF2%EF%BC%88b-3a%29%2Fa%2Bb)
(2ab/a+b)²除以(2a²b²/b²-2ab-3a²)求过程. 最后答案是2(b-3a)/a+b
(2ab/a+b)²除以(2a²b²/b²-2ab-3a²)求过程. 最后答案是2(b-3a)/a+b
(2ab/a+b)²除以(2a²b²/b²-2ab-3a²)求过程. 最后答案是2(b-3a)/a+b
原式=4a²b²/(a+b)²×[-(3a-b)(a+b)/2a²b²]
=-2(3a-b)/(a+b)