方程中2x-y/3=1,1/2x+2/y=3,5(x+y)=7(x+y),1/2x+y=4中是二元一次方程的有不会的就请不要来瞎显摆了
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![方程中2x-y/3=1,1/2x+2/y=3,5(x+y)=7(x+y),1/2x+y=4中是二元一次方程的有不会的就请不要来瞎显摆了](/uploads/image/z/1643171-59-1.jpg?t=%E6%96%B9%E7%A8%8B%E4%B8%AD2x-y%2F3%3D1%2C1%2F2x%2B2%2Fy%3D3%2C5%28x%2By%29%3D7%28x%2By%29%2C1%2F2x%2By%3D4%E4%B8%AD%E6%98%AF%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E6%9C%89%E4%B8%8D%E4%BC%9A%E7%9A%84%E5%B0%B1%E8%AF%B7%E4%B8%8D%E8%A6%81%E6%9D%A5%E7%9E%8E%E6%98%BE%E6%91%86%E4%BA%86)
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方程中2x-y/3=1,1/2x+2/y=3,5(x+y)=7(x+y),1/2x+y=4中是二元一次方程的有不会的就请不要来瞎显摆了
方程中2x-y/3=1,1/2x+2/y=3,5(x+y)=7(x+y),1/2x+y=4中是二元一次方程的有
不会的就请不要来瞎显摆了
方程中2x-y/3=1,1/2x+2/y=3,5(x+y)=7(x+y),1/2x+y=4中是二元一次方程的有不会的就请不要来瞎显摆了
2x-y/3=1
5(x+y)=7(x+y),
1/2x+y=4
2x-y/3=1
5(x+y)=7(x+y),