X 20 5 4 1 2 July 8, 2019 16 32 64 128 5 20 x )= 4 2x 1 5 x 4 20 mas 1 22 5 x 20 )= 1 2 4x 4 4 5 1 2 3 x 41 20 X 1 4 2x 3 5 1 20 5x 4 )( 4x 5 )- 20 x 1 2 20 x 5 X / 20 = 2 / 5