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4 2x 1 )
4 2x 1 ) pictures 5
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4 2x 1 )
4 2x 1 )u003d 2 x 1
4 2x 1 expand
4 2x 1 8
4 2x 1 )u003d 3 x 2
4 2x 1 )u003d 5x 3x 9
4 2x 1 32
4 2x 1 )+ 3x 11
4 2x 1 )+ 3 2x 5
4 2x 1 16 x 1 384
4 2x 1
