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turn on your oven, put your hand on it and you'll see pain will prevent you from burning your hand.
1/p + 1/q = 1/f
p= distance of the object
q= distance of the picture
what is f?



Bet reminder: I bet with Tboned51 that Splatoon won't reach the 1 million shipped mark by the end of 2015. I win if he loses and I lose if I lost.