1.x²+x+1=2/x²+12.x²+1/x²-3(x+1/x)+4=0 3.方程组:3y+1/2x-5=14/2x-5+3/3y+1=7
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![1.x²+x+1=2/x²+12.x²+1/x²-3(x+1/x)+4=0 3.方程组:3y+1/2x-5=14/2x-5+3/3y+1=7](/uploads/image/z/4520568-48-8.jpg?t=1.x%26%23178%3B%2Bx%2B1%3D2%2Fx%26%23178%3B%2B12.x%26%23178%3B%2B1%2Fx%26%23178%3B-3%EF%BC%88x%2B1%2Fx%29%2B4%3D0+3.%E6%96%B9%E7%A8%8B%E7%BB%84%EF%BC%9A3y%2B1%2F2x-5%3D14%2F2x-5%2B3%2F3y%2B1%3D7)
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1.x²+x+1=2/x²+12.x²+1/x²-3(x+1/x)+4=0 3.方程组:3y+1/2x-5=14/2x-5+3/3y+1=7
1.x²+x+1=2/x²+1
2.x²+1/x²-3(x+1/x)+4=0
3.方程组:3y+1/2x-5=1
4/2x-5+3/3y+1=7
1.x²+x+1=2/x²+12.x²+1/x²-3(x+1/x)+4=0 3.方程组:3y+1/2x-5=14/2x-5+3/3y+1=7
难度相对来说较大,其中第一题答案是1,第二题解不出来,第三题明显是二元二次方程了,解不出来,这应该是高中的了