1. **9³ – 8³**
* 9³ = 9 * 9 * 9 = 729
* 8³ = 8 * 8 * 8 = 512
* 729 - 512 = 217
**Ответ:** 217
2. **(8 + 7)²**
* 8 + 7 = 15
* 15² = 15 * 15 = 225
**Ответ:** 225
3. **2³ + 4² : 8**
* 2³ = 2 * 2 * 2 = 8
* 4² = 4 * 4 = 16
* 16 : 8 = 2
* 8 + 2 = 10
**Ответ:** 10