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#90 - romdadon
Reply +4
(02/13/2013) [-]
the second one is a life hack for maths
#101 to #90 - casadue
Reply -2
(02/13/2013) [-]
yeah, totally, a real math life hack... it totally changed my life... now i will surely pass my calculus exam...
#155 to #101 - romdadon
Reply 0
(02/14/2013) [-]
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