407 + 109 × 5 = 407 + 545 = 952
903 - 206 × 4 = 903 - 824 = 79
(700 - 603) × 6 = 97 × 6 = 582
(800 - 704) : 7 = 96 : 7 = 13 (остаток 5)
804 : 4 = 201
627 : 3 = 209