18 12 3 x 2 July 8, 2019 16 32 64 128 12 x 3 )+ 18 4 2x 3 18 1 2 x 12 3 4 12 x 3 )+ 18 6 2x 3 18 12 2 x 3 al cuadrado 12 1 1 15 4 18 3 x 2 3 12 4 8 18 รท 3 18 + 12 x 3
