今天晚上,一定要解决!(2 21:24:56)4x²-y²+4x+2y 因式分解 如果关于X,Y的二元一次方程组 X+2Y=2K 的解x y 都为非负数,求K的范围
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 01:53:38
![今天晚上,一定要解决!(2 21:24:56)4x²-y²+4x+2y 因式分解 如果关于X,Y的二元一次方程组 X+2Y=2K 的解x y 都为非负数,求K的范围](/uploads/image/z/225895-31-5.jpg?t=%E4%BB%8A%E5%A4%A9%E6%99%9A%E4%B8%8A%2C%E4%B8%80%E5%AE%9A%E8%A6%81%E8%A7%A3%E5%86%B3%21%282+21%3A24%3A56%294x%26%23178%3B-y%26%23178%3B%2B4x%2B2y%26%23160%3B%26%23160%3B+%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%26%23160%3B+%26%23160%3B%E5%A6%82%E6%9E%9C%E5%85%B3%E4%BA%8EX%2CY%E7%9A%84%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84+%26%23160%3BX%2B2Y%3D2K%26%23160%3B%26%23160%3B%26%23160%3B+%E7%9A%84%E8%A7%A3x+y%26%23160%3B+%E9%83%BD%E4%B8%BA%E9%9D%9E%E8%B4%9F%E6%95%B0%2C%E6%B1%82K%E7%9A%84%E8%8C%83%E5%9B%B4%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23160%3B%26%23)
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