All
22,359 | 09:45duration 9 minutes 45 seconds
尋尋覓覓─平面圖形(一)
ronson@hkecl.net
10,522 | 09:42duration 9 minutes 42 seconds
圖案的密碼─密鋪
20,517 | 15:00duration 15 minutes 0 seconds
周界 (一)
19,004 | 14:45duration 14 minutes 45 seconds
四邊形 (二) (英文字幕可供選擇)
22,003 | 15:14duration 15 minutes 14 seconds
四邊形(一)
17,009 | 13:55duration 13 minutes 55 seconds
圖形拼砌與分割 (英文字幕可供選擇)
1,351 | 09:42duration 9 minutes 42 seconds
The Secret of Patterns - Tessellation (English…
The Secret of Patterns - Tessellation (English subtitles available)
13,819 | 09:51duration 9 minutes 51 seconds
續四邊形
16,041 | 14:47duration 14 minutes 47 seconds
面積(一)
1,551 | 15:04duration 15 minutes 4 seconds
四邊形
11,300 | 14:42duration 14 minutes 42 seconds
續三角形
jackieyclee edb-jackieyclee
22,090 | 14:27duration 14 minutes 27 seconds
三角形 (中、英文字幕可供選擇)
12,962 | 15:05duration 15 minutes 5 seconds
面積 (一)
395 | 14:46duration 14 minutes 46 seconds
Basic properties of circles (2) (English…
Basic properties of circles (2) (English subtitles available)
2,462 | 19:41duration 19 minutes 41 seconds
面積和體積
730 | 17:04duration 17 minutes 4 seconds
Basic properties of circles (1) (English…
Basic properties of circles (1) (English subtitles available)
2,014 | 15:04duration 15 minutes 4 seconds
圓的基本性質(一) (配以中文字幕)
626 | 20:04duration 20 minutes 4 seconds
Air and Burning (English subtitles available)
5,121 | 15:03duration 15 minutes 3 seconds
Hurry up, Miss O (English subtitles available)
459 | 20:04duration 20 minutes 4 seconds
Areas of polygons and circles (English subtitles…
Areas of polygons and circles (English subtitles available)
開始和結束時間:
開始時間: