3 5 x 11 )= 15 July 8, 2019 16 32 64 128 X 3 5 x 1 2 11 15 X 3 2x 5 11 15 Opona 11 5x15 3 Dętka 11 5 x 15 3 3 x-5=x+3 5 x 7 = 35