Răspuns :
{a,b,c} ip{2,4,5}
2a=k⇒a=k/2
4b=k⇒b=k/4
5c=k⇒c=k/5
inlocuim in relatia a+2b+c=48
k/2+2k/4+k/5=48
24k/20=48
k=48·20/24
k=40
a=k/2=40/2=20
b=40/4=10
x=40/5=5
verificare
a+2b+c=48
20+2·10+8=48
2a=k⇒a=k/2
4b=k⇒b=k/4
5c=k⇒c=k/5
inlocuim in relatia a+2b+c=48
k/2+2k/4+k/5=48
24k/20=48
k=48·20/24
k=40
a=k/2=40/2=20
b=40/4=10
x=40/5=5
verificare
a+2b+c=48
20+2·10+8=48
{a,b,c} ip{2,4,5}
2a=k ⇒a=k/2
4b=k ⇒b=k/4
5c=k ⇒c=k/5
a+2b+c=48
k/2+2k/4+k/5=48
24k/20=48
k=48·20/24
k=40
a=k/2=40/2=20
b=40/4=10
x=40/5=5
2a=k ⇒a=k/2
4b=k ⇒b=k/4
5c=k ⇒c=k/5
a+2b+c=48
k/2+2k/4+k/5=48
24k/20=48
k=48·20/24
k=40
a=k/2=40/2=20
b=40/4=10
x=40/5=5