The best in history! Quasi-Newton method based on BFGS matrix update method to solve sixth grade mat

[Anime recommendation] I am also a man who wants to have a harem!

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This school is very dangerous, with all kinds of people

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Men and women stripping

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45

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"Big Things Playing House"—University of Science and Technology of China Welcome Party

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The chocolate is really delicious, especially the "chest chocolate"

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Watch Demon Slayer's Silence

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With a sister like this, the male protagonist must have blown up the earth in his previous life.

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It's a really exciting operation.

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[Love Test] Will opposite sex friends fall in love if they try out a romantic relationship in a TV d

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bro?

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I will avenge Lucy, the battle between the three female wizards, Elsa cuts through the divine armor

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Naughty child: Xiaoying, I feel wronged and ask my brother for forgiveness

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The good pig was turned into a roast suckling pig. Oh! It smells so good! !

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[ Demon Slayer ] Butterfly Ninja Meowth Form Activated

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【Neck-choking dance】Those who want to be slapped come in!

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Beware of consumer traps

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This cover is really not photoshopped, and it is certainly not an oil painting!!! Her name is Pei Ji

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