12a^3-12a^2b+3ab^2
=3a(4a^2-4ab+b^2)
=3a(2a-b)^2
m^4-8m^2+16
=(m^2-4)^2
=(m-2)^2(m+2)^2
两道因式分解 数学题.
两道因式分解 数学题.
要有过程 thanks.
12a^3-12a^2b+3ab^2
m^4-8m^2+16
坐等.
要有过程 thanks.
12a^3-12a^2b+3ab^2
m^4-8m^2+16
坐等.
其他人气：823 ℃时间：2020-03-24 12:09:22
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