Questions on 'pdf file' tag
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611
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929
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1
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603
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1
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520
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0
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1
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507
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0
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1
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495
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0
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1
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613
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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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442
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0
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1
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498
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0
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1
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415
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0
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1
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549
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0
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1
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440
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0
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1
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413
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1
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1
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563
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0
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1
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539
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0
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1
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444
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1
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1
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470
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0
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1
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520
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1
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1
answer
626
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0
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1
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524
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0
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1
answer
495
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0
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1
answer
577
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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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503
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0
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1
answer
425
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1
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452
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0
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1
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556
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0
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1
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624
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0
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1
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628
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0
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1
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618
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1
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579
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1
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673
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0
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1
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680
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0
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1
answer
610
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