а) 56*206+44*206 = (56+44)*206 = 100*206 = 20600
б) 128*698+256 = 128*698 + 128*2 = 128*(698+2) = 128*700 = 89600
а) 56*206+44*206 = (56+44)*206 = 100*206 = 20600
б) 128*698+256 = 128*698 + 128*2 = 128*(698+2) = 128*700 = 89600