4 a 1 28 July 8, 2019 16 32 64 128 4 x 1 )= 28 4 2c 1 )= 28 4 7 1 28 4 2x 1 )= 28 4 28 1 3 4 28 1 2 A 1 4 28 unf 4 15 1 28 4 3y 1 )= 28 4 a 1 4 а 28 A 1 2 3 4
