Ответ:
Пошаговое объяснение:
47m = 1328 - 200
47m = 1128
m = 1128 : 47
m = 24
n : 12 = 6300 - 5470
n : 12 = 830
n = 830 * 12
n = 9960
34 + p = 1600
p = 1600 - 34
p = 1566
1908 + r = 8 * 25
1908 + r = 200
r = 200 - 1908
r = -1708
1908 + r = 80 * 25
1908 + r = 2000
r = 2000 - 1908
r = 92