5:()=12 ():9=0.6 2/3:()=4/3 ():0.8=4/

问题描述:

5:()=12 ():9=0.6 2/3:()=4/3 ():0.8=4/
5:()=12 ():9=0.6 2/3:()=4/3
():0.8=4/5 下一题列竖式(7/8-2/3)÷(5/9+3/4) 9/14x11/12+9/14÷12

5:(5/12)=12 (5.4):9=0.6 2/3:(1/2)=4/3
(0.64):0.8=4/5
下一题列竖式
(7/8-2/3)÷(5/9+3/4)
=(5/24)÷(47/36)
=15/94
9/14x11/12+9/14÷12
=(9/14)x(11/12+1/12)
=9/14怎么等于47/36?题给错了