12 x 5 15 x 2 July 8, 2019 16 32 64 128 12 5 х 15 2 12 2 x 5 )= 15 3 x 1 12 5 x (- 15 22 15 x 12 5 8 x 24 12 4 5 x 15 )= 2 5 x 6 12 x 5 12 5 x 1 2 12 x 5 + 5