1) m = 7
2) n = 2
3) m = 5
4) не дописан
5) m = 6
6) n = 3
Пошаговое объяснение:
1)
(12m – 5m) × 4 =252
7m = 63
m = 9
2)
(4n + 3n) × 11 = 154
7n = 14
n = 2
3)
45 ÷ (4m – m) = 3
45 ÷ 3m = 3
9m = 45
m = 5
5)
( 16m + 5m) ÷ 18 = 7
21m = 126
m = 6
6)
(17n – 8n) × 13 = 351
9n = 27
n = 3
1) m = 7
2) n = 2
3) m = 5
4) не дописан
5) m = 6
6) n = 3
Пошаговое объяснение:
1)
(12m – 5m) × 4 =252
7m = 63
m = 9
2)
(4n + 3n) × 11 = 154
7n = 14
n = 2
3)
45 ÷ (4m – m) = 3
45 ÷ 3m = 3
9m = 45
m = 5
5)
( 16m + 5m) ÷ 18 = 7
21m = 126
m = 6
6)
(17n – 8n) × 13 = 351
9n = 27
n = 3