Jawabanmu

Jawaban paling cerdas!
2014-09-11T20:04:02+07:00
A.  -27
b. -26
c. 31
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1 5 1
2014-09-11T20:09:34+07:00
A.-15-12 = -27        b.-20+11-5-12= -26        c.(-144 : 4) -5 = -41