1. (8+5)² + 2³ - 67 * 20 = -1163
1) (8+5)² = 13² = 169
2) 67 * 20 = 1340
3) 2³ = 8
4) 169 + 8 = 177
5) 177 - 1340 = -1163
2. (23 - 9)² + 5³ - 319 = 2
1) (23 - 9)² = 14² = 196
2) 5³ = 125
3) 196 + 125 = 321
4) 321 - 319 = 2
3. 2⁵ * 3³ + 7² - 869 = 44
1) 2⁵ = 32
2) 3³ = 27
3) 7² = 49
4) 32 * 27 = 864
5) 864 + 49 = 913
6) 913 - 869 = 44
4. 14 * 5² + 6³ - 23² = 37
1) 5² = 25
2) 6³ = 216
3) 23² = 529
4) 14 * 25 = 350
5) 350 + 216 = 566
6) 566 - 529 = 37