(150;60)=? c.m.m.d.c
150|2×5 60|2×5
15 | 5 6| 2
3 | 3 3|3
1| 1|
150= 2× 3 × 5 la a doua
60= 2 la a doua × 3 × 5
----------------------------------
(150;60)=2×3×5
=30
[150:60]=? c.m.m.m.c
150= 2×3×5 la a doua
60=2 la a doua×3×5
-----------------------------------
[150;60]= 2 la a doua × 3 × 5 la a doua
= 300
