The video owner has disabled playback on external websites.
This video is no longer available on YouTube.
This video cannot be played right now.
Watch on YouTube
B1 中级
英语
10:38
Educational
Every Number is the Sum of Three Palindromes - Numberphile
学习统计
B1
CEFR 等级
5/10
难度
评论 (0)
登录后评论
还没有评论。成为第一个分享想法的人！
互动模式
测验
正确！
不太对。
正确答案：
相关视频
7 Southern US Accents You WON'T Understand
B1
21:17
New Zealand government set to announce public media merge
B1
1:29
Kevin Hart FaceTimes Dwayne Johnson While Co-Hosting The Tonight Show
B1
3:42
DUMBEST ANSWERS EVER GIVEN! Family Feud Answers That Left Steve Harvey Saying WHAT?!
B1
21:04
Prof. Lawrence H. White: The Gold Standard, Explained
B1
4:22
Numberphile
测验
正确！
不太对。
正确答案：
观看视频时会出现测验
记忆技巧
来自此视频
免费开始学语言
