2 x 3 ) 15 3 x 9 July 8, 2019 16 32 64 128 2 x 3 )+ 15 3 x 9 1 3 x 15 )+ 2 3 x 9 2 0 x 15 3 x 9 4 2 15 x 3 15 x 3 / x = 9 2 x 3 x 15
