4 5 x 3 = 19 July 8, 2019 16 32 64 128 5 4 х 19 3 4 x 5 )- 3 x 7 )=- 19 6x 5 x 3 4 2 4x 19 4 + 4 =5 4 5 x 3 14 5 x 7 = 35
