5m Zen
1 p 2 p
1 p 2 p pictures 5
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1 p 2 p
p 1 2 find p p p
p a )u003d 1 2 p b )u003d 0
p 5 p 1 2 3
let 1 p 2 p
1 p 2 /( p 5
1 p 2 p+ n p
1 p 2 p 3 p+ n p
1 p 2 p 3 p 1 0
1 p 2 p
1 p 2 p 3 p
