5m Zen
2x 7 x2 x 2
2x 7 x2 x 2 pictures 5
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2x 7
2x 7 x2 x 2
x 1 )( 2x 7 )( x2 2 )u003d 0
x2 2 x 1 )u003d- 2x 7
x 2 34x 71 x2 2x 7
7x2 2 x x2 7 2x
2x 7 x2 x 2
