Question

帮忙算一下五年级下册习题5/6*6/5-9/10/5/9=? 4-5/11-4/11=? (1/2-3/8)/3/4=?

Answer 1

5/6*6/5-9/10/5/9=1/50 4-5/11-4/11=3

(1/2-3/8)/3/4=1/10

7/9/11/5+2/9*5/11=5/11

1/2/(2/11-4/3)= 此题不对

4/5除[（5/8-1/2/5/8 ]=此题不对

2/3*1/2+1/4*2/5 =13/30 1/4*8/15/2/5=1/3 （1-1/4*8/9）/7/9=?]=1