Questions on 'pdf file' tag
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696
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1001
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0
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1
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691
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0
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1
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586
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0
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1
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570
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0
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1
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567
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0
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1
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745
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0
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1
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626
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0
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1
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667
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0
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1
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564
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0
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1
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487
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0
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1
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641
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0
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1
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506
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0
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1
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480
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1
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1
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633
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0
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1
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605
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0
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1
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516
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1
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1
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573
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0
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1
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605
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1
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1
answer
689
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0
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1
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608
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0
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1
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561
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0
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1
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672
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0
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1
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599
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1
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587
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0
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1
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500
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0
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1
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520
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0
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1
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634
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0
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1
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741
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1
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764
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1
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728
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0
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1
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687
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0
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1
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777
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0
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1
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823
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0
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1
answer
717
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