All
16,680 | 14:42duration 14 minutes 42 seconds
尋尋覓覓─平面圖形(二)
ronson@hkecl.net
10,446 | 09:42duration 9 minutes 42 seconds
圖案的密碼─密鋪
20,488 | 15:00duration 15 minutes 0 seconds
周界 (一)
18,959 | 14:45duration 14 minutes 45 seconds
四邊形 (二) (英文字幕可供選擇)
21,957 | 15:14duration 15 minutes 14 seconds
四邊形(一)
16,969 | 13:55duration 13 minutes 55 seconds
圖形拼砌與分割 (英文字幕可供選擇)
1,348 | 09:42duration 9 minutes 42 seconds
The Secret of Patterns - Tessellation (English…
The Secret of Patterns - Tessellation (English subtitles available)
13,757 | 09:51duration 9 minutes 51 seconds
續四邊形
16,018 | 14:47duration 14 minutes 47 seconds
面積(一)
1,546 | 15:04duration 15 minutes 4 seconds
四邊形
11,288 | 14:42duration 14 minutes 42 seconds
續三角形
jackieyclee edb-jackieyclee
394 | 14:46duration 14 minutes 46 seconds
Basic properties of circles (2) (English…
Basic properties of circles (2) (English subtitles available)
12,939 | 15:05duration 15 minutes 5 seconds
面積 (一)
22,051 | 14:27duration 14 minutes 27 seconds
三角形 (中、英文字幕可供選擇)
16,158 | 14:20duration 14 minutes 20 seconds
圓
701 | 17:04duration 17 minutes 4 seconds
Basic properties of circles (1) (English…
Basic properties of circles (1) (English subtitles available)
2,009 | 15:04duration 15 minutes 4 seconds
圓的基本性質(一) (配以中文字幕)
1,365 | 14:59duration 14 minutes 59 seconds
圓的基本性質 (二) (配以中文字幕)
624 | 20:04duration 20 minutes 4 seconds
Air and Burning (English subtitles available)
458 | 20:04duration 20 minutes 4 seconds
Areas of polygons and circles (English subtitles…
Areas of polygons and circles (English subtitles available)