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a+b+c=764 ;a+b=242;b+c=633

Răspuns :

a+b+c=764
a+b=242
242+c=764
c= 764-242 = 522
b+522=633
b=633-522=111
a+111=242
a=242-111=131

A+b+c=764. 242+ c =764 => c=764-242 =522=> c=522

b+c=633=> b=633-522=> b=111



a+b=242=> a+111=242=> a=242-111=> a= 231

Succes .sper ca te am ajutat