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约分:a²-3/2a的三次方-6a
人气:237 ℃ 时间:2019-12-19 06:28:00
解答
a²-3/2a的三次方-6a
=(a²-3)/(2a³-6a)
=(a²-3)/2a(a²-3)
=1/2a
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