-3x²+x+2=0 解一元二次方程
-3x²+x+2=0 解一元二次方程
数学人气:670 ℃时间:2019-12-11 02:21:33
优质解答
x=1或x=-2/3能不能写一下详细步骤,谢谢Ax²+Bx+C=0(对于这道题来说:A=-3,B=1,C=2)x=2a分之-B加减根号下B方减4AC
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