Delete row item_mock_m3_001 from assignment_items

id item_mock_m3_001
assignment_id asgn_math_mock
child_id child_5b46b9f7
item_type true_false
parent_id item_mock_m3_000
sort_order 201
title 一个分数的分子和分母同时乘 3，分数的大小不变。
content
status pending
created_at 2026-06-14 14:23:29
updated_at 2026-06-14 14:23:29
major_index
ocr_major_title
major_score 0.0
subject 数学
section panduan
options []
correct_answer √
image_idx 0
page_number 3
score 2.0
extra_content []
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