5m Zen
5a 1 2 3
5a 1 2 3 pictures 5
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5a 1 2 3
3 5a 5 1 2
5a 2 3 )+( 8a 2 1
2 3a 6 3 5a 1
7 2 1 5a 3
3 5a 1 2a 9 2
2a 2 5a 2 1 2 3
5a 2 3 u003d- 1 6
3 2 3a 1 3 )u003d 5a 3
solve 2a 2 5a 2 1 2 3
5a 1 2 3
