Delete row 1600 from pager_paper_questions

id 1600
question_id q_9a3b7144
assignment_id asgn_d9caae7f
type fill_blank
content_text 8.根据等式的性质在里填上运算符号，在 线 x-2.7=7.8 (1) 解：x-2.7+2.7=7. ...
score 0.0
difficulty 0.5
correct_answer
explanation
sort_order 5
assigned_page 4
page_order 6
image_idx 0
section jichu
options []
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-17 07:02:55
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