解方程 x+y=300,5%x+53%y=25%*300急2.x+y/3-x-y/2=6,3(x+y)-2(x-y)=283.5x-6=-5/6+7y,x/3=1+y/2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 01:48:13
![解方程 x+y=300,5%x+53%y=25%*300急2.x+y/3-x-y/2=6,3(x+y)-2(x-y)=283.5x-6=-5/6+7y,x/3=1+y/2](/uploads/image/z/1631901-21-1.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B+x%2By%3D300%2C5%EF%BC%85x%2B53%EF%BC%85y%3D25%EF%BC%85%2A300%E6%80%A52.x%2By%2F3-x-y%2F2%3D6%2C3%28x%2By%29-2%28x-y%29%3D283.5x-6%3D-5%2F6%2B7y%2Cx%2F3%3D1%2By%2F2)
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