All
12,072 | 17:47duration 17 minutes 47 seconds
周界(二) 之少年Pi
ronson@hkecl.net 19/2/2020
9,471 | 14:53duration 14 minutes 53 seconds
周界(二) (中文字幕可供選擇)
ronson@hkecl.net 1/3/2020
1,974 | 15:04duration 15 minutes 4 seconds
圓的基本性質(一) (配以中文字幕)
ronson@hkecl.net 27/2/2020
1,337 | 14:59duration 14 minutes 59 seconds
圓的基本性質 (二) (配以中文字幕)
676 | 19:43duration 19 minutes 43 seconds
Areas and Volumes (English subtitles available)
584 | 17:04duration 17 minutes 4 seconds
Basic properties of circles (1) (English…
Basic properties of circles (1) (English subtitles available)
382 | 14:46duration 14 minutes 46 seconds
Basic properties of circles (2) (English…
Basic properties of circles (2) (English subtitles available)
ronson@hkecl.net 20/2/2020
21,776 | 09:45duration 9 minutes 45 seconds
尋尋覓覓─平面圖形(一)
1,269 | 01:21duration 1 minute 21 seconds
If You’re Happy, You Should Show It (second…
If You’re Happy, You Should Show It (second version) (English subtitles available)
ronson@hkecl.net 28/10/2020
1,161 | 01:45duration 1 minute 45 seconds
If You’re Happy, You Should Show It…
If You’re Happy, You Should Show It (English subtitles available)
開始和結束時間:
開始時間: