Jawabanmu

2014-04-03T14:28:45+07:00
-74 + p = -31 -(-26)-74 + p = -31 + 26
-74 + p = -5
p = -5 + 74
p = 69

2014-04-03T14:29:20+07:00
-74 + p
= -31 -(-26)-74 + p = -31 + 26
-74 + p = -5
p = -5 + 74
p = 69