Jawabanmu

2014-08-19T14:29:47+07:00
= (156+189-288-63+192-108)²
= 78²
=6084
2 5 2
2014-08-19T14:34:37+07:00
(13 (12) - 21 (-9) - 24 (12) + 7(-9) + 16 (12) + 12 (-9))^2 = 78^2 = 6084
2 4 2