3(x+y)-2(x-y)=4; 3(x+y)+2x-2y=8 3(x+y)-2(x-y)=4; 3(x+y)+2x-2y=8 解方程组
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![3(x+y)-2(x-y)=4; 3(x+y)+2x-2y=8 3(x+y)-2(x-y)=4; 3(x+y)+2x-2y=8 解方程组](/uploads/image/z/2669625-9-5.jpg?t=3%28x%2By%29-2%28x-y%29%3D4%3B+3%28x%2By%29%2B2x-2y%3D8+3%28x%2By%29-2%28x-y%29%3D4%3B+3%28x%2By%29%2B2x-2y%3D8+%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 17:41:53