【求教】3道三元一次方程组,2道根式方程,1到二元二次方程组.我居然忘了这种类型的题如何做了.x:y:z=2:3:5 ①x+y+z=100 ②------------------------2x-√2x+1=5------------------------x+√x-3=3------------------------2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 13:06:28
![【求教】3道三元一次方程组,2道根式方程,1到二元二次方程组.我居然忘了这种类型的题如何做了.x:y:z=2:3:5 ①x+y+z=100 ②------------------------2x-√2x+1=5------------------------x+√x-3=3------------------------2](/uploads/image/z/1341227-11-7.jpg?t=%E3%80%90%E6%B1%82%E6%95%99%E3%80%913%E9%81%93%E4%B8%89%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%2C2%E9%81%93%E6%A0%B9%E5%BC%8F%E6%96%B9%E7%A8%8B%2C1%E5%88%B0%E4%BA%8C%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84.%E6%88%91%E5%B1%85%E7%84%B6%E5%BF%98%E4%BA%86%E8%BF%99%E7%A7%8D%E7%B1%BB%E5%9E%8B%E7%9A%84%E9%A2%98%E5%A6%82%E4%BD%95%E5%81%9A%E4%BA%86.x%3Ay%3Az%3D2%3A3%3A5+%E2%91%A0x%2By%2Bz%3D100+%E2%91%A1------------------------2x-%E2%88%9A2x%2B1%3D5------------------------x%2B%E2%88%9Ax-3%3D3------------------------2)
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