1.①2(x-y)-3(x-y)=1 2.①(x-1)/2+(y-1)/3=1②3(x+y)+2(x-y)=2 ②4x+3y=5差不多是这样的格式①…………②…………去括号(或去分母)得:(可以用代入消元,和加减消元)…………解得
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/12 01:38:21
![1.①2(x-y)-3(x-y)=1 2.①(x-1)/2+(y-1)/3=1②3(x+y)+2(x-y)=2 ②4x+3y=5差不多是这样的格式①…………②…………去括号(或去分母)得:(可以用代入消元,和加减消元)…………解得](/uploads/image/z/2425448-56-8.jpg?t=1.%E2%91%A02%EF%BC%88x-y%EF%BC%89-3%EF%BC%88x-y%EF%BC%89%3D1+2.%E2%91%A0%EF%BC%88x-1%EF%BC%89%2F2%2B%EF%BC%88y-1%EF%BC%89%2F3%3D1%E2%91%A13%EF%BC%88x%2By%EF%BC%89%2B2%EF%BC%88x-y%EF%BC%89%3D2+%E2%91%A14x%2B3y%3D5%E5%B7%AE%E4%B8%8D%E5%A4%9A%E6%98%AF%E8%BF%99%E6%A0%B7%E7%9A%84%E6%A0%BC%E5%BC%8F%E2%91%A0%E2%80%A6%E2%80%A6%E2%80%A6%E2%80%A6%E2%91%A1%E2%80%A6%E2%80%A6%E2%80%A6%E2%80%A6%E5%8E%BB%E6%8B%AC%E5%8F%B7%EF%BC%88%E6%88%96%E5%8E%BB%E5%88%86%E6%AF%8D%EF%BC%89%E5%BE%97%EF%BC%9A%EF%BC%88%E5%8F%AF%E4%BB%A5%E7%94%A8%E4%BB%A3%E5%85%A5%E6%B6%88%E5%85%83%EF%BC%8C%E5%92%8C%E5%8A%A0%E5%87%8F%E6%B6%88%E5%85%83%EF%BC%89%E2%80%A6%E2%80%A6%E2%80%A6%E2%80%A6%E8%A7%A3%E5%BE%97)
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