10 | 55 × 234 + 55 × 234 − 234 × 10 |
|
|
11 | 25 × 77 × 40 + 128 + 50 × 60 |
|
|
12 | 402 × 25 |
|
|
13 | 365 × 99 + 365 |
|
|
14 | 25 × 24 |
|
|
15 | 56 × 99 |
|
|
16 | 907 × 199 + 907 |
|
|
17 | 17 + 18 + 19 + 20 + 21 + 22 + 23 |
|
|
18 | (25 + 342 + 58) × 4 × 25 |
|
|