1. 5³ + 8² = 125 + 64 = 189
2.6² - 2² = (6-2)(6+2) = 32
3. (6-2)² = 36 - 2*6*2+4 = 16
4. 3³- 5² = 27 - 25 = 2
1. 5³ + 8² = 125 + 64 = 189
2.6² - 2² = (6-2)(6+2) = 32
3. (6-2)² = 36 - 2*6*2+4 = 16
4. 3³- 5² = 27 - 25 = 2