Jawabanmu

Jawaban paling cerdas!
2014-05-16T14:16:29+07:00
A + B + C / B - 6 = 9

U2 = a + b = A
U4 = a + 3b = B
U6 = a + 5b = C

(a + b + a + 3b + a + 5b) = 9 (a + 3b - 6)
3a + 9b = 9a + 27 b - 54
-6a = 18 b - 54
a = 9 - 3b

B = a + 3b
B = 9 - 3b + 3b
B = 9

2 5 2