 |
| |||
| reversal of direction | |||
| change of sign | |||
|
changement de signe : 3 phrases in 3 subjects |
| Information technology | 1 |
| Materials science | 1 |
| Technology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips