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1 4x 1 2x 4
1 4x 1 2x 4 pictures 5
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1 4x 1 2x 4
2x 1 x 4 4x 1
1 2x 11 4 1 4x
1 2x 4 5 1 4x
3x 1 )- 4 2x 1 )u003d 4 4x 3
1 2 2x 4 )u003d 4x 1
1 4x y 1 3 2x y 4 3
2x 3x 5 4 u003d- 1 4x 1
4 3 4x 1 2x 1
1 4x 1 7 2x 4 )u003d 1
1 4x 1 2x 4
