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6 5 4x 1 4x
6 5 4x 1 4x pictures 5
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6 5 4x 1 4x
5 4x 6 1 4x 2
4x 5 4x 1 x 6
4x 5 4x 1 x 6 180
3 4x 5 )- 4x 1 u003d- 6
solve 6 5 4x 1 4x
6 5 4x 1 4x