Răspuns :
a/5=b/8=k
b-a=45
a=5k
b=8k
8k-5k=45
3k=45
k=45/3
k=15
a=5x15=75
b=8x15=120
120-75=45
b-a=45
a=5k
b=8k
8k-5k=45
3k=45
k=45/3
k=15
a=5x15=75
b=8x15=120
120-75=45
(a,b) --dp--- (5,8)
------> a supra 5 = b supara 8 = k (sau orice litera)
a supra 5 = k -----> a=5k
b supra 8 = k -----> b=8k
a-b = 45
5k- 8k = 45
-3k = 45 / :(-3)
k= 15
a=5k -----> a= 5×15 = 75
b=8k -----> b= 8×15 = 120
------> a supra 5 = b supara 8 = k (sau orice litera)
a supra 5 = k -----> a=5k
b supra 8 = k -----> b=8k
a-b = 45
5k- 8k = 45
-3k = 45 / :(-3)
k= 15
a=5k -----> a= 5×15 = 75
b=8k -----> b= 8×15 = 120