Questions on 'pdf file' tag
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1
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791
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0
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1
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1134
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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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673
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0
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1
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643
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0
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1
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649
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0
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1
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834
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0
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1
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730
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0
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1
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786
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0
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1
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644
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0
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1
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572
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0
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1
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749
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0
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1
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581
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0
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1
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545
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1
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1
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720
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0
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1
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699
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0
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1
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607
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1
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1
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684
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0
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1
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752
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1
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1
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789
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0
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1
answer
761
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0
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1
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633
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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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682
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0
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1
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683
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0
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1
answer
562
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0
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1
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614
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0
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1
answer
769
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0
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1
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834
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0
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1
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852
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0
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1
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825
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0
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1
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767
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0
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1
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857
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0
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1
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958
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0
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1
answer
803
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