| id | 9666 |
|---|---|
| user_id | 1056 |
| roll_id | 1269 |
| order | 4 |
| language | ja |
| description | We can recognize logarithms as "fractions of exponential". Multiplying the same number with nominators and denominators, we can rewrite fractions with a different expression. Likewise, we rewrite logarithms with different expressions. |
| image_id | 0 |
| tag | |
| created_time | 1488704944 |
| updated_time | 1488705887 |