Delete row 1604 from pager_paper_questions

id 1604
question_id q_b8eff0f1
assignment_id asgn_d9caae7f
type single_choice
content_text 3.比x多12的数再扩大4倍是多少？用式子表示是（ )。
score 5.0
difficulty 0.5
correct_answer
explanation
sort_order 2
assigned_page 3
page_order 3
image_idx 0
section jichu
options ["A.x+12×4","B.（x+12）×4","C.（x ...
major_index
extra_content []
ref_material_id NULL
ref_paragraph_index NULL
create_time 2026-06-17 07:02:55
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