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解方程x²-x+1=(x²+x+1)(x²+2x+4)
人气:461 ℃ 时间:2020-02-03 10:21:51
解答
x²-x+1=(x²+x+1)(x²+2x+4) (x²+x+1)(x²+2x+4)-(x²-x+1)=0 (x²+x+1)(x²+2x+1+3)-(x²-x+1)=0 (x²+x+1)(x²+2x+1)+3(x².
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