Răspuns :
Descompunem in factori:
12|2 18|2
6|2 9|3
3|3 3|3
1 1
12=2²*3
18=3²*2
---------------------
c.m.m.m.c(12,18)=2²*3²
=4*9
=36
12|2 18|2
6|2 9|3
3|3 3|3
1 1
12=2²*3
18=3²*2
---------------------
c.m.m.m.c(12,18)=2²*3²
=4*9
=36