Jawabanmu

2014-09-05T20:33:12+07:00
2 5/45+27/45
=122/45 × 4/1
=488/45
=10 38/45
2014-09-05T20:42:10+07:00
(7/3+3/5) : 1/4
= ( 35+9/15) : 1/4
= 44/15 : 1/4
= 11/15