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解不等式:(×-5)/(×2-2×-3)>1)
人气:343 ℃ 时间:2020-06-16 01:46:31
解答
(x-5)/(x²-2x-3)>1移项,通分,再因式分解,有:
(x²-3x+2)/(x²-2x-3)
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