作业帮(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/19 22:22:18
![(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?](/uploads/image/z/3929173-61-3.jpg?t=%28y%26%23178%3B-x%26%23178%3B%29%2F%5B2%28y%26%23178%3B-xy%29%5D%E5%8C%96%E7%AE%80%E6%88%90%28y%2Bx%29%2F%282y%29%E5%AF%B9%3F)
(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?
(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?
(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?
(y²-x²)/[2(y²-xy)]
=[(y+x)(y-x)]/[2y(y-x)]
=(y+x)/(2y)
对的.
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来源：学生作业帮助网 编辑：作业帮 时间：2024/04/19 22:22:18
(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?
(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?
(y²-x²)/[2(y²-xy)]化简成(y+x)/(2y)对?
(y²-x²)/[2(y²-xy)]
=[(y+x)(y-x)]/[2y(y-x)]
=(y+x)/(2y)
对的.