Jawabanmu

2014-05-05T14:06:34+07:00
(7/2 : 11/4 )+ 5/2 =
(7/2 x 4/11) + 5/2
14/11 + 5/2
83/22 = 7 6/22 = 7 3/11
2014-05-05T14:13:08+07:00
3 1/2 : 2 3/4 +2 1/2 =....
3 1/2 : 2 3/4
7/2 : 11/4
7/2 : 4/11
28/22
= 1 6/22
= 1 3/11
1 3/11 + 2 3/2
=  14/11 + 3/2 (kpknya 22)
= 28/22 + 33/22
= 61/22
disederhanakan
= 2 17/22
7/2:11/4=7/2.4/11=14/11
14/11+5/2=28/22+55/22=83/22=3 17/22