1000 - 400 ⋅ 2 = 1000 - 800 = 200
(700 + 13) + 200 = 713 + 200 = 913
(170 - 110) : 5 = 60 : 5 = 12
(800 + 47) - 500 = 847 - 500 = 347
(100 - 8) : 4 = 92 : 4 = 23
Ответ: 200, 913, 12, 347, 23