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6 4x 1 5x 2
6 4x 1 5x 2 pictures 5
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6 4x 1 5x 2
1 2 4x 6 )- 11 5x 7
6 1 4x )+ 7 2 5x )u003d 42
5x 2 4x 6 3 x 1
5x 1 6 4x 2 9
4x 2 x 1 5x 6
5x 1 3 6 4x 2
1 2 4x 6 )u003d- 5x 24.7
6 1 4x )+ 7 2 5x )u003d 53 verify
6 1 4x )+ 7 2 5x )u003d 53
6 4x 1 5x 2
