5m Zen
6 2 3x 1 2 )u003d 4 2x 1 4 )+ 2
6 2 3x 1 2 )u003d 4 2x 1 4 )+ 2 pictures 5
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6 2 3x
6 2 3x 1 2 )u003d 4 2x 1 4 )+ 2
