Răspuns :
Este foarte ușor.
234+437+175=671+175=846
432-254+465=178+465=643
325+238+245=563+245=808
145+145+145=290+145=435
835-542-165=293-165=128
325-186+745=139+745=884
234+437+175=671+175=846
432-254+465=178+465=643
325+238+245=563+245=808
145+145+145=290+145=435
835-542-165=293-165=128
325-186+745=139+745=884