Răspuns :
a+b+c= 1359
a - 174 = x ---> a = 174+321=495
b - 35 = x --->b = 321+35=356
c - 187 = x --->c =321+187= 508
------------------------------------------
↓ ↓ ↓
(a+b+c) - ( 174+35+187)=3x
1359 - 396 =3x
3x =963 --> x =321
a=495 ; b=356 ; c=508
a - 174 = x ---> a = 174+321=495
b - 35 = x --->b = 321+35=356
c - 187 = x --->c =321+187= 508
------------------------------------------
↓ ↓ ↓
(a+b+c) - ( 174+35+187)=3x
1359 - 396 =3x
3x =963 --> x =321
a=495 ; b=356 ; c=508