72:12= 18x 3=54 51:17=3 24x 4 = 34x 2 = 25 x 3= 56:14 = 12x 8= 78:13 = 90:18= 12x 7 = 85:17 = 48: 3 = 4x18= 64:16 = 78:6= 72:6= 65:13= 91:13 = 47 x 2 = 64: 4= 98:14= 19x 4=46 84: 6= 72:12 = 57:19= 39:13 = 56:14 = 14:14 = 78:13= 126:18 = 12x 7 = 144:16 = 48: 3= 64:16 = 64:16= 88:11 = 91:13= 56:14 = 64: 4= 98:14 = 19 x 4= 72:6= 51: 3= 18 x 3= 56: 4= 72:12= 51: 3 = 64: 4 = 19x 4 = 72:6=12 91:13 = 51: 3 = - 3,5 мин