请问:4.65x32+46.5+0.465x430怎么简便
问题描述:
请问:4.65x32+46.5+0.465x430怎么简便
答
4.65*32+46.5+0.465*430
=46.5*3.2+46.5*1+46.5*4.3
=46.5*(3.2+1+4.3)
=46.5*8.5
(不知道算没算错哈)