Question

folosind proprietatea [a,b]*(a,b)=a*b
a)[a,b]=50 si a*b =750
b)[a,b]=72 si a*b =864

Answer 1

a)
[a,b]*(a,b)=a*b
50*(a,b)=750
(a,b)=750:50
(a,b)=15
b)
[a,b]*(a,b)=a*b
72*(a,b)=864
(a,b)=864:72
(a,b)=12