calculus teacher vs "I know it already" student
18:20
the last question on my precalculus test
14:11
Stanford math tournament algebra tiebreaker
32:04
easy derivative but it took me 32 minutes
17:26
Os pesquisadores pensaram que isso era um bug (integrais de Borwein)
17:03
if your calculus teacher still doesn't believe the DI method...
11:27
Precalculus teacher vs WolframAlpha student
10:46
Solving sin(x)^sin(x)=2
10:00