【4分之3减(16分之7减0.25)】乘9分之17要有过程呀!

问题描述:

【4分之3减(16分之7减0.25)】乘9分之17要有过程呀!

【4分之3减(16分之7减0.25)】乘9分之17
=[3/4-(7/16-1/4)]×17/9
=(3/4+1/4-7/16)×17/9
=(1-7/16)×17/9
=9/16×17/9
=17/16
=1又16分之1

【4分之3减(16分之7减0.25)】乘9分之17
==(3/4+1/4-7/16)×17/9
=(1-7/16)×17/9
=17/16