НОК-(3и8)
3=3,6,9,12,15,18,21,24,27,30
8=8,16,24,32,40,48,56,64,72,80
НОК-(24и18)
24=24,48,72,96,120,144,168,192,216,240
18=18,36,44,72,90,108,126,144,162,189
НОК-(80и20)
80=80,160,240,320,400,480,560,640,720,800
20=20,40,60,80,100,120,140,160,180,200