3и7 - 3*7=21, 21*21=441, НОК = 21
4и5 - 4*5=20, 40, 60 НОК=20
6и12 - 6*12=48, 96, 192 НОК=24
4и6 - 24, 48, 96 НОК=12
21, 20, 12, 24
3и7 - 3*7=21, 21*21=441, НОК = 21
4и5 - 4*5=20, 40, 60 НОК=20
6и12 - 6*12=48, 96, 192 НОК=24
4и6 - 24, 48, 96 НОК=12
21, 20, 12, 24