4 x 3 )= 7 2 1 10 July 8, 2019 16 32 64 128 4 x 3 )= 7 mũ 2 1 mũ 10 2 5 x 3 7 2 5 x 4 7 1 10 1 + 2 + 3 + 4 = 10 3/7 = 4/x