a的平方-十二分之五-4分之1 因式分解
求过程
人气:312 ℃ 时间:2020-03-26 13:08:11
解答
您好:
a的平方-十二分之五a-4分之1
=1/12(12a²-5a-3)
=1/12(3a+1)(4a-3)
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