Jawabanmu

2014-04-03T14:29:24+07:00
-74 + p 
= -31 -(-26)-74 + p = -31 + 26
-74 + p = -5
p = -5 + 74
p = 69
2014-04-03T14:33:21+07:00
-74 + p = -31 -(-26)
-74 + p = -31 + 26
-74 + p = -5
p = -74 - (-5)= -74 + 5 = -69
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