Subject with a lesson module
47 sec
1 view
0
0.8×
1×
1.2×
1.5×
1.7×
2×
2.5×
47 sec
⚡️
58 sec
47 sec
39 sec
31 sec
27 sec
23 sec
18 sec
Your user agent does not support the HTML5 Video element.
Subject with a lesson module
47 sec
1 view
0
0.8×
1×
1.2×
1.5×
1.7×
2×
2.5×
47 sec
⚡️
58 sec
47 sec
39 sec
31 sec
27 sec
23 sec
18 sec