解三元一次方程组(1)x:y=3:4(2) y:z=2:5(3) 2x+y-z=66要完整的过程,最好不要跳步骤.三元一次方程(1)x:y=3:4(2) y:z=2:5(3) 2x+y-z=66我最讨厌求比例的了!我都算出来了居然还没人答= =||,哪位勇士和我算得一
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![解三元一次方程组(1)x:y=3:4(2) y:z=2:5(3) 2x+y-z=66要完整的过程,最好不要跳步骤.三元一次方程(1)x:y=3:4(2) y:z=2:5(3) 2x+y-z=66我最讨厌求比例的了!我都算出来了居然还没人答= =||,哪位勇士和我算得一](/uploads/image/z/251086-22-6.jpg?t=%E8%A7%A3%E4%B8%89%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%281%29x%3Ay%3D3%3A4%282%29+y%3Az%3D2%3A5%283%29+2x%2By-z%3D66%E8%A6%81%E5%AE%8C%E6%95%B4%E7%9A%84%E8%BF%87%E7%A8%8B%2C%E6%9C%80%E5%A5%BD%E4%B8%8D%E8%A6%81%E8%B7%B3%E6%AD%A5%E9%AA%A4.%E4%B8%89%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%281%29x%3Ay%3D3%3A4%282%29+y%3Az%3D2%3A5%283%29+2x%2By-z%3D66%E6%88%91%E6%9C%80%E8%AE%A8%E5%8E%8C%E6%B1%82%E6%AF%94%E4%BE%8B%E7%9A%84%E4%BA%86%21%E6%88%91%E9%83%BD%E7%AE%97%E5%87%BA%E6%9D%A5%E4%BA%86%E5%B1%85%E7%84%B6%E8%BF%98%E6%B2%A1%E4%BA%BA%E7%AD%94%3D+%3D%7C%7C%EF%BC%8C%E5%93%AA%E4%BD%8D%E5%8B%87%E5%A3%AB%E5%92%8C%E6%88%91%E7%AE%97%E5%BE%97%E4%B8%80)
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