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求解方程x?怀-2 = 0,解方程(1)(2)(3)(4)= 24
人气:335 ℃ 时间:2020-02-04 10:16:23
解答
χ^ 3-3倍-2 = 0,χ^
3-2倍^ 2 +2χ^ 2 - 4倍或以上的X 2 = 0x时^ 2(X-2)2×(X-2)+(X-2 )= 0(X-2)(χ^ 2 2×1)=为0x
= 2或x = -1
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