9 x 4 15 10 July 8, 2019 16 32 64 128 9 4 x 2 3 10 15 9 15 x 4 10 x 5 6 Hasil dari 9 4 x 2 3 10 15 9 x 8 = 9+10 = 11 9 x 4 x 15 15 x 9 = 9 1/4 x 15