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5x 4x 1 12
5x 4x 1 12 pictures 5
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5x 4x 1 12
1 2x 4x 12 5x 3 2x
5x 1 )( 4x 12 )u003d 0
2 x 1 )u003d 5x 12 4x 14
solve 5x 1 4x 12
5x 10 10 1 4x 12
12 3 (- 4x 1 )+ 5x
5x 12 3 1 4x )+ 6x
5x 1 4x 12 4x 180
4x 2 5x 12 1
5x 4x 1 12
