| 23 x 23 = ? | 52 x 51 = ? |
| 67 / 65 = ? | 42 / 5-2 = ? |
| 86 x 8-3 = ? | 27 x 2-4 / 23 = ? |
| 3-4 / 32 x 39 = ? | 75 x 70 x 7-2 = ? |
| (33)1/3 = ? | 52/3 = ? |
| 31/2 x 33/4 = ? | 55/6 / 5-1/2 = ? |
| 1281/7 = ? | 91/2 x 91/2 = ? |
| 121/3 x 126 = ? | 4-2 x 47/4 = ? |
| (n x n x n x n) x (m x m x m) = ? | 3n x 32n = ? |
| m8 / m-3 = ? | (n5)2/3 = ? |
| n2/3m x n-5m = ? | m5 x mn = ? |
| m6m x m-2m = ? | n x m x n x m x n x m = ? |
| 25m = 5       m=? | mm = 3125       m=? |
| 2m x 2m = 16       m=? | 5m1/2 = 15       m=? |
| mmm = 19683       m=? | m2/3 x m1/2 = 11.3137       m=? |
| 5m = 1       m=? | 2m = 1024       m=? |