1 5 9 x 18 July 8, 2019 16 32 64 128 5 8 9 x 7 1 18 1 9 log 2 x 5 18 log 1 18 5 9 ) x 1 2 5 x 1 x 5 x 9 18 x 7 5 9 1 7 18 x 1 6 X 9 1 3 5 18 1 5 9 titik titik x 18 5 + 9 = 14