1. 9: (6)/(7)=... 2. 12: (4)/(6)=...

Name: 1. 9: (6)/(7)=... 2. 12: (4)/(6)=...
Uploaded: 2023-12-22T14:34:08.000Z
Duration: PT2M33.001S
Description: 1. 9: (6)/(7)=... 2. 12: (4)/(6)=...