Răspuns :
6736-4150=2586(c)
4351-2586=1765(b)
4150-1765=2385(a)
proba: 2586+1765+2385=4351+2385=6736
4351-2586=1765(b)
4150-1765=2385(a)
proba: 2586+1765+2385=4351+2385=6736
c=6736-a-b
c=6736-(a+b)
c=6736-4150=2586
b=4351-c
b=4351-2586=1765
a=6736-b-c
a=6736-(b+c)
a=6736-4351=2385
Proba: 2385+1765+2586=6736