求50道普通的一元二次方程计算题
人气：253 ℃ 时间：2020-06-18 14:51:12
解答
X^2 + 2X + 1 = 0X^2 - 2X + 1 = 0X^2 + 4X + 4 = 0X^2 - 4X + 4 = 0X^2 + 6X + 9 = 0X^2 -6X + 9 = 0X^2 + 8X + 16 = 0X^2 - 8X + 16 = 04X^2 + 4X + 1 = 04X^2 - 4X + 1 = 09X^2 + 6X + 1 = 09X^2 - 6X + 1 = 016X...
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