Решение и ответ:
(12M-5M)·4 = 252
12M-5M = 252 ÷ 4
7M = 63
M = 63÷7
M = 9
(4n+3n)·11 = 154
4n+3n = 154÷11
7n = 14
n = 14÷7
n = 2
45÷(4m-m) = 3
4m-m = 45÷3
3m = 15
m = 15÷3
m = 5
Решение и ответ:
(12M-5M)·4 = 252
12M-5M = 252 ÷ 4
7M = 63
M = 63÷7
M = 9
(4n+3n)·11 = 154
4n+3n = 154÷11
7n = 14
n = 14÷7
n = 2
45÷(4m-m) = 3
4m-m = 45÷3
3m = 15
m = 15÷3
m = 5