1道数学题撒嘎嘎超简单
问题描述:
1道数学题撒嘎嘎超简单
因式分解
(m的2次方-2m)的2次方+2m(m-2)+1
最好有过程
答
(m^2-2m)^2+2m(m-2)+1
=(m^2-2m)^2+2(m^2-2m)+1
=[(m^2-2m)+1]^2
=[m^2-2m+1]^2
=[(m-1)^2]^2
=(m-1)^4