作业帮①(x²-6x+6)/(x²-1)▪(x²+x)/(x-3)②（xy-x²）÷(x-y)/xy③[(x²-y²)/y]²÷(x²+xy)³▪[xy/(y-x)]²④[(x²+2x-3)/(9-x²)]³▪[-(x-3)/(1-x)]²
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/11 06:30:27
![①(x²-6x+6)/(x²-1)▪(x²+x)/(x-3)②（xy-x²）÷(x-y)/xy③[(x²-y²)/y]²÷(x²+xy)³▪[xy/(y-x)]²④[(x²+2x-3)/(9-x²)]³▪[-(x-3)/(1-x)]²](/uploads/image/z/1995247-55-7.jpg?t=%E2%91%A0%28x%26%23178%3B-6x%2B6%29%2F%28x%26%23178%3B-1%29%26%239642%3B%28x%26%23178%3B%2Bx%29%2F%28x-3%29%E2%91%A1%EF%BC%88xy-x%26%23178%3B%EF%BC%89%C3%B7%28x-y%29%2Fxy%E2%91%A2%5B%28x%26%23178%3B-y%26%23178%3B%29%2Fy%5D%26%23178%3B%C3%B7%28x%26%23178%3B%2Bxy%29%26%23179%3B%26%239642%3B%5Bxy%2F%28y-x%29%5D%26%23178%3B%E2%91%A3%5B%28x%26%23178%3B%2B2x-3%29%2F%289-x%26%23178%3B%29%5D%26%23179%3B%26%239642%3B%5B-%28x-3%29%2F%281-x%29%5D%26%23178%3B)
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①(x²-6x+6)/(x²-1)▪(x²+x)/(x-3)②（xy-x²）÷(x-y)/xy③[(x²-y²)/y]²÷(x²+xy)³▪[xy/(y-x)]²④[(x²+2x-3)/(9-x²)]³▪[-(x-3)/(1-x)]²
①(x²-6x+6)/(x²-1)▪(x²+x)/(x-3)
②（xy-x²）÷(x-y)/xy
③[(x²-y²)/y]²÷(x²+xy)³▪[xy/(y-x)]²
④[(x²+2x-3)/(9-x²)]³▪[-(x-3)/(1-x)]²
①(x²-6x+6)/(x²-1)▪(x²+x)/(x-3)②（xy-x²）÷(x-y)/xy③[(x²-y²)/y]²÷(x²+xy)³▪[xy/(y-x)]²④[(x²+2x-3)/(9-x²)]³▪[-(x-3)/(1-x)]²
一看你就是那种不写作业的
你去菁优网吧
第一题题目肯定有问题