a. 17.255-15.000: 50 x 27+16.096=... b. 12.508+321 x

Name: a. 17.255-15.000: 50 x 27+16.096=... b. 12.508+321 x
Uploaded: 2024-03-07T10:36:43
Duration: PT3M48.2057S
Description: a. 17.255-15.000: 50 x 27+16.096=... b. 12.508+321 x 57-5.397: 21=...