| Similarity | Rank | |
|---|---|---|
| 2_x | 0.693 | 56928 |
| x2 | 0.689 | 67562 |
| 1_x | 0.681 | 59055 |
| +_1 | 0.644 | 40649 |
| x_[number] | 0.643 | 44076 |
| x1 | 0.638 | 98969 |
| +_2 | 0.636 | 70240 |
| /_2 | 0.594 | 25382 |
| (_2 | 0.593 | 5504 |
| =_4 | 0.578 | 91534 |
| (_1 | 0.574 | 4267 |
| 2x | 0.570 | 35945 |
| 2 | 0.566 | 170 |
| =_2 | 0.561 | 50110 |
| 2_+ | 0.555 | 59059 |
| 1 | 0.551 | 187 |
| (_3 | 0.546 | 7059 |
| =_1 | 0.541 | 21914 |
| x | 0.536 | 2992 |
| /_4 | 0.533 | 45946 |
| (_5 | 0.532 | 10734 |
| =_3 | 0.527 | 71012 |
| /_3 | 0.527 | 43602 |
| approx | 0.526 | 89761 |
| (_8 | 0.524 | 16388 |