Răspuns :
a+b+c=220
a+b-c=44 => c+44=a+b => (c+44)+c=220 => 2c=176 => c=88
b+c-a=102 => a+102=b+c => a+(a+102)=220 =>2a=118 =>a=59
59+b+88=220 => b=220-59-88
b=73
a+b-c=44 => c+44=a+b => (c+44)+c=220 => 2c=176 => c=88
b+c-a=102 => a+102=b+c => a+(a+102)=220 =>2a=118 =>a=59
59+b+88=220 => b=220-59-88
b=73
a+b+c=220
a+b-c=44 => a+b=44+c
b+c-a=102
44+c+c=220 => 44+2c=220 => 2c=220-44 =>2c=176 => c=88
a+b=88+44 =>a+b=132 a+b=132
b+88-a=102 b-a=24 => 2b=156=> b=78
a+b=122
a=132-78
a= 54
a+b+c=88+73+54=220
a+b-c=44 => a+b=44+c
b+c-a=102
44+c+c=220 => 44+2c=220 => 2c=220-44 =>2c=176 => c=88
a+b=88+44 =>a+b=132 a+b=132
b+88-a=102 b-a=24 => 2b=156=> b=78
a+b=122
a=132-78
a= 54
a+b+c=88+73+54=220