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Afla nr. a , b si c stiind ca : a + b + c = 55399 ; a+ c = 30567 ; b- c = 6849

Răspuns :

30567+b=55399 (am inlocuit in ecuatia mare)
b=55399-30567
b=24832

24832-c=6849
c=24832-6849
c=17983
 

a+17983=30567
a=30567-17983
a=12584

Atat!Bafta in continuare!