a. 18/24 : 6 7/19=... b. 25/30 : 5 24/26=....

Name: a. 18/24 : 6 7/19=... b. 25/30 : 5 24/26=....
Uploaded: 2023-12-30T13:23:41
Duration: PT4M31.419S
Description: a. 18/24 : 6 7/19=... b. 25/30 : 5 24/26=....