4 5 3 6 х 4 July 8, 2019 16 32 64 128 4 5 3 6 x 4 4 5 3 6 4 4 5 6 3 4 9 4 5 3 6 2 4 4 5 6 3 4 7 4 5 6 x 1 3 4 4 + 4 = 6 4 + 4 =5