5m Zen
7a 3 5a 2
7a 3 5a 2 pictures 5
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7a 3 5a 2
3 5a 4 )( 2 7a
3 7a 1 5 2 5a 4 7
3 2 5a 1 ) 7a 10
gcd 5a 2 7a 3 )u003d 1
7a 2 5a 3 3a 2 2a 4
7a 2 )( 2a 2 5a 3
7a 3 5a 2
