Răspuns :
a+b+c=175+258+305=738
b-a+c=258-175+305=388
c-a+b=305-175+258=388
b+c-a=258+305-175=388
c-b+a=222
b-a+c=258-175+305=388
c-a+b=305-175+258=388
b+c-a=258+305-175=388
c-b+a=222
a+b+c=175+258+305
=738
b-a+c=258-175+305
=83+305
=388
c-a+b=305-175+258
=130+258
=388
b+c-a=258+305-175
=563-175
=388
c-b+a=305-258+175
=47+175
=222
=738
b-a+c=258-175+305
=83+305
=388
c-a+b=305-175+258
=130+258
=388
b+c-a=258+305-175
=563-175
=388
c-b+a=305-258+175
=47+175
=222