Ответ:\(456 + 200 = 656\)\(456 - 200 = 256\)\(456 + 20 = 476\)\(456 - 20 = 436\)\(456 + 2 = 458\)\(456 - 2 = 454\)Ответ: 656; 256; 476; 436; 458; 454.