Jawabanmu

2014-01-24T19:08:33+07:00
A. 1 + 4/5 x 3/4 - 1 1/2 = 1 + 12/20 - 3/2 = 20/20 + 12/20 - 3/2 = 32/20 - 3/2 = 32/20 - 30/20 = 2/20 = 1/10

1 4 1
2014-01-24T19:39:06+07:00