4 x 5 x 3 20 x 3 July 8, 2019 16 32 64 128 2 4 3 x 5 2 x 3 20 5 x 3 4 x 5 x 3 20 m tinglado pino seco 3 x-5=x+3 3 x 20 x 5 3 5 x 20
