a + b + c = 163
( a + b ) - c = 67 ⇒ a + b = c + 67
( b + c ) - a = 37 ⇒ b + c = a + 37
___________________________
a + b + c = 163
c + 67 + c = 163
2 c = 163 - 67
c = 96 : 2
c = 48 → al treilea numar
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a + b + c = 163
a + ( a + 37 ) = 163
2 × a = 163 - 37
a = 126 : 2
a = 63 → primul numar
___________________
a + b = 48 + 67
a + b = 115 → suma primelor doua numere
63 + b = 115
b = 115 - 63
b = 52 → al doilea numar
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Verific: 63 + 52 + 48 = 163 → suma celor trei numere
