a)
| a | 6 | 150 | 28 | 50 |
| b | 4 | 20 | 15 | 50 |
| UCLN (a;b) | 2 | 10 | 1 | 50 |
| BCNN (a;b) | 12 | 300 | 420 | 50 |
| UCLN (a;b) . BCNN (a;b) | 24 | 3000 | 420 | 2500 |
| a.b | 24 | 3000 | 420 | 2500 |
b) UCLN (a;b) . BCNN (a;b)= a.b
a)
| a | 6 | 150 | 28 | 50 |
| b | 4 | 20 | 15 | 50 |
| \(ƯCLN\)(a,b) | 2 | 10 | 1 | 50 |
| \(BCNN\)(a,b) | 12 | 300 | 420 | 50 |
| \(ƯCLN\)(a,b) * BCNN(a,b) | 24 | 3000 | 420 | 2500 |
| a*b | 24 | 3000 | 420 | 2500 |
b) \(ƯCLN\)(a,b) * BCNN(a,b) = a*b