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There are 14 comments on the topic :"Fastest Mental Multiplication Math Tricks - 2 Seconds Multiplication Trick":Dank Meme @ Mars 8 years ago "This is the best porn i've ever seen"
There's a kink for that @ Mars 8 years ago "Guess there's a kink for everything"
This was soo hot @ Mars 8 years ago "I just got mind fucked"
... @ Mars 9 years ago "Why the fuck is this on xnxx"
user12345 @ Singapore 2 years ago "damn i accepted in to harvard because of this video, thankyou very much sir!"
nice @ Albania 5 years ago "I was stuck at this exercise and the only place to find it is xnxx"
Chucklordquorris @ Mars 8 years ago "Fuck this is so hawt. I wish he'd get naked while doing math. Possibly cum at the end. So hot"
Oh yeah @ Mars 8 years ago "You crunch those numbers you brown little whore"
The Interstellar biatch @ Mars 9 years ago "becoz it's mindfuck!!!"
Anonymous @ Indonesia 2 weeks ago "Thx"
Mmm @ Indonesia 11 months ago "Thanks"
Labidabs 2 @ Philippines 1 year ago "The people we used to be"
Lmao track winter @ Vietnam 1 year ago "tuyệt"
بدر @ France 11 months ago "شكرا نجحت بالاختبار بسببك"