(4m+2)(2m+4n)如何化成4(2m+n)(m+2n)?
问题描述:
(4m+2)(2m+4n)如何化成4(2m+n)(m+2n)?
答
(4m+2)(2m+4)=[2*(2m+1)]*[2*(m+2)]=4(2m+n)(m+2n)
(4m+2)(2m+4n)如何化成4(2m+n)(m+2n)?
(4m+2)(2m+4)=[2*(2m+1)]*[2*(m+2)]=4(2m+n)(m+2n)