Сравним каждое выражение:
* **Первое выражение:**
* 3 ⋅ (5 + 4) = 3 ⋅ 9 = 27
* 3 ⋅ 10 = 30
* 27 < 30
* Таким образом, 3 ⋅ (5 + 4) < 3 ⋅ 10
* **Второе выражение:**
* (16 − 7) ⋅ 5 = 9 ⋅ 5 = 45
* 10 ⋅ 5 = 50
* 45 < 50
* Таким образом, (16 − 7) ⋅ 5 < 10 ⋅ 5
**Ответ:**
* 3 ⋅ (5 + 4) < 3 ⋅ 10
* (16 − 7) ⋅ 5 < 10 ⋅ 5