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
葡萄牙语
2:57
Educational
TEOREMA DE CLAIRAUT-SCHWARZ
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
DESFRALDE TARDIO - Como foi o processo de desfralde aos 4 anos do meu filho
B1
21:34
History of Religions 7: BUDDHISM
B1
15:49
How to BUY from the USA and RECEIVE in Angola
B1
9:32
Barack Obama explains himself after comments about aliens | Jornal da Band
B1
2:05
NASA CREATES PROTOCOL FOR SEARCHING FOR LIFE IN THE UNIVERSE
B1
14:35
Prof. MURAKAMI - MATEMÁTICA RAPIDOLA
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
