a. (4)/(9): (1)/(4)=... b. (5)/(15): (7)/(8)=...

Name: a. (4)/(9): (1)/(4)=... b. (5)/(15): (7)/(8)=...
Uploaded: 2024-06-29T06:39:08.000Z
Duration: PT2M24.8S
Description: a. (4)/(9): (1)/(4)=... b. (5)/(15): (7)/(8)=...