作业帮计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x²-x²-y²)]
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 00:48:35
![计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x²-x²-y²)]](/uploads/image/z/3021754-58-4.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E5%88%97%E5%90%84%E9%A2%98%3A%5B2%2F3x%26%23178%3B-2%2F%28x%26%23178%3B%2By%26%23178%3B%29%E4%B9%98%E4%BB%A5%28x%26%23178%3B%2By%26%23178%3B%29%2F3x%26%23178%3B-x%26%23178%3B-y%26%23178%3B%29%5D)
计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x²-x²-y²)]
计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x²-x²-y²)]
计算下列各题:[2/3x²-2/(x²+y²)乘以(x²+y²)/3x²-x²-y²)]
2/3x²-2/(x²+y²)*(x²+y²)/3x²-x²-y²
=2/3x²-2/3x²-x²-y²
=-x²-y²
您所写的式子是这样子的吗?
能写清楚一些吗