2
12=2 ×3
-15=5×(-3)
--------------
cmmdc=3
2
cmmmc=2 ×5×(-3)=4×(-15)= -60
4 2
-144=2 ×(-3)
2 2
-36=2 × (-3)
---------------------
2 2
cmmdc= 2 ×(-3)= 4× (-9)= -36
4 2
cmmmc=2 ×(-3) =16×(-9)= -144
2
44=2 ×11
30=2×3×5
-----------------
cmmdc=2
2
cmmmc=2 ×3×5×11= 4× 165 = 660
Sper ca te-am ajutat!