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解答题解方程:x2+x―12=0;
解答题解方程:x2+x―12=0;
发布时间:2020-07-26 15:18:57
解答题解方程:x2+x―12=0;
网友回答
x1=-4,x2=3解析根据十字相乘法因式分解解一元二次方程。
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