第一题:知道3a+b/2a-b=5 ,求 4a-2b/3a+b + 3a+b/6a-3b 的值第二题:知x;y;z=3;4;7 且2x-y+z=18 求x+2y-z的值需要过程——————————————————————————————————————
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 09:11:34
![第一题:知道3a+b/2a-b=5 ,求 4a-2b/3a+b + 3a+b/6a-3b 的值第二题:知x;y;z=3;4;7 且2x-y+z=18 求x+2y-z的值需要过程——————————————————————————————————————](/uploads/image/z/5381675-35-5.jpg?t=%E7%AC%AC%E4%B8%80%E9%A2%98%EF%BC%9A%E7%9F%A5%E9%81%933a%2Bb%2F2a-b%3D5+%2C%E6%B1%82+4a-2b%2F3a%2Bb+%EF%BC%8B+3a%2Bb%2F6a-3b+%E7%9A%84%E5%80%BC%E7%AC%AC%E4%BA%8C%E9%A2%98%EF%BC%9A%E7%9F%A5x%3By%3Bz%3D3%3B4%3B7+%E4%B8%942x-y%2Bz%3D18+%E6%B1%82x%2B2y-z%E7%9A%84%E5%80%BC%E9%9C%80%E8%A6%81%E8%BF%87%E7%A8%8B%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94%E2%80%94)
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