化简
1+8x/(3x²-4x-1)=1+8x/(x²-4x+1)
x/(3x²-4x-1)=x/(x²-4x+1)
x*(x²-4x+1)=x*(3x²-4x-1)
x*(2x²-2)=0
x=0或1或-1
解方程(3x²+4x-1)/(3x²-4x-1)=(x²+4x+1)/(x²-4x+1)
解方程(3x²+4x-1)/(3x²-4x-1)=(x²+4x+1)/(x²-4x+1)
数学人气:804 ℃时间:2019-10-11 10:32:08
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