06 Socks
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Description: A black background displays mathematical equations in white text. The equations show steps for calculating a derivative, with 'X =' preceding each line. The text includes 'Derivative', 'X = 4 + 0 + 0', 'X = 12 + 06 / 34 + 60', a red strikeout over the fraction, and '3' below it, followed by 'X = 12 + 200'.