Question

Afla valoare lui a,b,c dacă : a+b+c=756 ; a+b=527; b+c=418

Answer 1

a+b+c=756
a+b=527 deci 
c=756-527
c=229

a+b+c=756
b+c=418
a=756-418
a=338

a+b=527
a=338
b=527-338
b=189

verificare
a+b+c=338+189+229=527+229=756

Answer 2

a+b+c=756

a+b=527

b+c=418



a+b+c=756
a+b=527
c=756-527
c=229

a+b+c=756
b+c=418
a=756-418
a=338


a+b=527
a=338
b=527-338
b=189



A=338
B=189
C=229


Proba :
338+189+229=756
338+189=527
189+229=418