简便计算84×0.25+16÷4
问题描述：
简便计算84×0.25+16÷4
答
（80+4）×0.25+16÷4
=80×0.25+4×0.25+4
=20+1+4
=25
答
84×0.25+16÷4
=84÷4+16÷4
=(84+16)÷4
=100÷4
=25
答
84×0.25+16÷4
= 84÷4+16÷4
=（84+16）÷4
=100÷4
=25
速度太快了，都是牛人！
答
84×0.25+16÷4
=84×0.25+16×0.25
=(84+16)×0.25
=100×0.25
=25
答
84×0.25+16÷4
=（84+16）÷4
=100÷4
=25
答
84×0.25+16÷4
=84*1/4+4
=21+4
=25
答
84×0.25+16÷4
=21×(4×0.25)+4
=21×1+4
=25