2 3 13 7 4 July 8, 2019 16 32 64 128 13 4 5y 2 3 7 0 5y 13 4 5a 2 3 7 0 5a 13 4 5у 2 3 7 0 5у 2 x 3 x 7 13 7 4 3 13 12m 3 2 4m )+ 7 13 12x 3 2 4x )+ 7 3 (- 4x 7 2 13 7 3 2 3 13 times 6 9 4
