解方程(1) {5x+2y=2 7x-5y=34 (2){8x+3y+2=0,6x+5y+7=0 (3){x+1/3-y+2/4=0,x-3/4-y-3/3=1/12
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 13:26:04
![解方程(1) {5x+2y=2 7x-5y=34 (2){8x+3y+2=0,6x+5y+7=0 (3){x+1/3-y+2/4=0,x-3/4-y-3/3=1/12](/uploads/image/z/581274-18-4.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%281%29+%7B5x%2B2y%3D2+7x-5y%3D34+%282%29%7B8x%2B3y%2B2%3D0%2C6x%2B5y%2B7%3D0+%283%29%7Bx%2B1%2F3-y%2B2%2F4%3D0%2Cx-3%2F4-y-3%2F3%3D1%2F12)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 13:26:04