High-level math isn't tested out of 150 to protect our health.

Conceptual understanding and basic calculation methods of double integrals

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Calculus for beginners, Episode 1

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Complaints about Advanced mathematics

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Christmas uniform❤Say your wish GENIE【Smile slightly】

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Don't take the postgraduate entrance examination, you won't pass the exam! 【burn】

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Is your heart beating okay? Is your heart beating? My heart is beating and my passion is burning.

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You don’t even need to hold onto the wall—kudos to you, Lu Xinghe!

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[Remix]Number One Scholar in costume dramas|<Shuang Mian Yan Xun>

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When you just want to watch a pornographic movie, but you are attracted by its plot

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【Famous scene】How can you sleep

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What people think of India vs. what India actually is

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The man slept with a vampire....

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Human Centipede

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Outrageous! Woman drives naked in a sleepwalking state, alarming the police

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[Tang Jiafeng angrily denounces Ania😪] How can you sleep! You can sleep well at your age! There is n

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This is why you should never sit at the gambling table...

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Peter was discovered as an undercover Islamic terrorist? 【Learn English from birth】

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When your friends haven't heard of porn

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The First Time in the Movie vs. The Real First Time

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Field expansion, sitting and killing mathematics (completed)

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