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4 0 6 ) 2 8 1
4 0 6 ) 2 8 1 pictures 5
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4 0 6 ) 2 8 1
6 4 2 3u0445 )u003d 6 0 8 1 )+ 6 8
0 8 u0445 1 1 6 4 2 3
1 6 0 4 x 5 8 1 2
is 4 0 6 1 8 2 a function
0 8 x 1 1 6 4 2 3
4 0 6 )- 2 8 1