1). 28 = 2 * 2 * 7;35 = 5 * 7;70 = 2 * 5 * 7;НОК (28; 35; 70) = 2 * 5 * 7 * 2 = 140.2) 18 = 2 * 3 * 3;24 = 2 * 2 * 2 * 3;27 = 3 * 3 * 3;НОК (18; 24; 27) = 3 * 3 * 3 * 2 * 2 * 2 = 216.3) 36 = 2 * 2 * 3 * 3;54 = 2 * 3 * 3 * 3;81 = 3 * 3 * 3 * 3;НОК (36; 54; 81) = 3 * 3 * 3 * 3 * 2 * 2 = 324.4) 88 = 2 * 2 * 11;132 = 2 * 2 * 3 * 11;264 = 2 * 2 * 2 * 3 * 11;НОК (88; 132; 264) = 2 * 2 * 2 * 3 * 11 = 264.5) 25 = 5 * 5;75 = 3 * 5 * 5;150 = 2 * 3 * 5 * 5;НОК (25; 75; 150) = 2 * 3 * 5 * 5 = 150.6) 54 = 2 * 3 * 3 * 3;90 = 2 * 3 * 3 * 5;135 = 3 * 3 * 3 * 5;НОК (54; 90; 135) = 3 * 3 * 3 * 5 * 2 = 270.