6.75*0.25+6又4分之3*4分之3

问题描述:

6.75*0.25+6又4分之3*4分之3
积极积极积极机

6又4分之3=6.75
4分之3=0.75
6.75*0.25+6又4分之3*4分之3
=6.75*(0.25+0.75)
=6.75