1)Х-783=58*45 x-783 = 2610 x=2610+783 x = 3393 ------------------------ 3393-783=58*45 2610 = 2610 2)Х*46=2*2484 x*46=4968 x=4968 : 46 x=108 ------------------------- 108*46 = 2*2484 4968=4968