Jawabanmu

2014-08-28T14:13:55+07:00
2 3/4+ 3 1/4- 3 1/2=
=8/3+11/4
=32/12+33/12
=65/12
65/12-3 1/2
=65/12-7/2
=65/12-42/12=23/12=1 11/12