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Afla numerele "a", "b" si "c", stiind ca:
a) a+b+c=17675
a+b=14605
b+c=7690

Răspuns :

Bia2007Ele
c=17675-14605
c=3070

b+3070=7690
b=7690-3070
b=4620

a+4620=14605
a=14605-4620
a=9985

Verificare:
9985+4620+3070=17675
VanHelsing
c=17675-14605=3070
b=7690-3070=4620
a=17675-7690=9985

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