九又三分之二÷一又三分之二+5.46÷二又五分之三×(4.875-二又八分之七)=?要有过程,要简便!

2024-11-26 08:26:10
推荐回答(1个)
回答1:

=29/3×3/5+273/50×5/13×(39/8-23/8)
=29/5+273/130×2
=29/5+21/5
=10

273/130=21/10