Răspuns :
a+b+c = 280
a+b= 182 => 182+c=280 => c= 98
b= c+29 =>b=98+29 => b= 127
a+b=182
a+127=182 => a= 55
a+b= 182 => 182+c=280 => c= 98
b= c+29 =>b=98+29 => b= 127
a+b=182
a+127=182 => a= 55