{"ok":true,"question":{"id":21577,"question_uuid":"85b9a0f1-fdf4-41d3-95bc-abde50f891e6","job_id":3,"source_file":"人教版/七下/2026江苏七年级期末数学试卷+答案445.pdf","source_page_start":3,"source_page_end":3,"source_bbox":"[30.0, 189.51, 164.54, 341.95]","subject_code":"math","grade_level":"JUNIOR","tree_code":"KT_JUNIOR_MATH_STANDARD","question_type":"single_choice","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"下列计算正确的是(    )\", \"type\": \"text\"}, {\"type\": \"option\", \"label\": \"A\", \"blocks\": [{\"text\": \"−\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"\\\\sqrt{−4}^{2}\"}, {\"text\": \"= 4\", \"type\": \"text\"}], \"source_bbox\": [30.0, 226.83, 137.18, 242.56], \"source_page\": 3}, {\"type\": \"option\", \"label\": \"B\", \"blocks\": [{\"text\": \"(−√4)^{2}= 4\", \"type\": \"text\"}], \"source_bbox\": [30.0, 256.74, 127.22, 273.67], \"source_page\": 3}, {\"type\": \"option\", \"label\": \"C\", \"blocks\": [{\"text\": \"√25 = ±5\", \"type\": \"text\"}], \"source_bbox\": [30.0, 291.54, 118.46, 304.87], \"source_page\": 3}, {\"type\": \"option\", \"label\": \"D\", \"blocks\": [{\"text\": \"√9 1\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"1 _{16}\"}, {\"text\": \"= 3 4\", \"type\": \"text\"}], \"source_bbox\": [30.0, 319.57, 104.68, 335.95], \"source_page\": 3}], \"source\": {\"bbox\": [30.0, 189.51, 164.54, 341.95], \"file\": \"人教版/七下/2026江苏七年级期末数学试卷+答案445.pdf\", \"regions\": [{\"bbox\": [30.0, 189.51, 164.54, 341.95], \"page\": 3}], \"section\": \"match\", \"page_end\": 3, \"page_start\": 3, \"section_label\": \"智适化匹配练习   ★ 交互式系统学习\", \"answer_regions\": [], \"answer_original\": \"\", \"solution_original\": \"\"}, \"version\": 1, \"grade_level\": \"JUNIOR\", \"number_label\": \"3\", \"subject_code\": \"math\", \"question_type\": \"single_choice\", \"content_sha256\": \"419ed17051c9902dddc3f77a247a0507861aa894794343d176203ad2dbd67d96\"}","body_html":"<div>下列计算正确的是( )<br>A. −\\(\\sqrt{−4}^{2}\\)= 4<br>B. (−√4)^{2}= 4<br>C. √25 = ±5<br>D. √9 1\\(1 _{16}\\)= 3 4</div>","answer_html":"","ways_html":"","explain_html":null,"difficulty":2,"score":null,"year":null,"parse_status":"PARSED","qa_status":"QUARANTINED","retry_count":0,"final_score":0.75,"error_message":"QA failed: VISION,COHERENCE,ANSWER","published_question_id":null,"content_sha256":"419ed17051c9902dddc3f77a247a0507861aa894794343d176203ad2dbd67d96","created_at":"2026-09-25T02:02:54","updated_at":"2026-09-25T02:13:03","answer_missing":true,"formula_fallback":false,"_number":"3","_section":"match","_section_label":"智适化匹配练习   ★ 交互式系统学习"},"assets":[],"knowledge":[],"audits":[{"id":425929,"import_question_id":21577,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"下列计算正确的是( ) A. − \\sqrt{−4}^{2} = 4 B. (−√4)^{2}= 4 C. √25 = ±5 D. √9 1 1 _{16} = 3 4","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-09-25T02:11:49"},{"id":425930,"import_question_id":21577,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"\\sqrt{−4}^{2}; 1 _{16}","result_json":"{\"risky\": 2, \"issues\": [], \"checked\": 2, \"invalid\": 0, \"visual_check\": \"delegated_to_question_vision\", \"invalid_details\": [], \"visually_verified\": 0}","created_at":"2026-09-25T02:11:49"},{"id":425931,"import_question_id":21577,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"下列计算正确的是( ) A. − \\sqrt{−4}^{2} = 4 B. (−√4)^{2}= 4 C. √25 = ±5 D. √9 1 1 _{16} = 3 4","result_json":"{\"picks\": [], \"tree_code\": \"KT_JUNIOR_MATH_STANDARD\", \"candidates\": 0, \"classifier_version\": null}","created_at":"2026-09-25T02:11:49"},{"id":425932,"import_question_id":21577,"audit_type":"VISION","auditor_name":"vision-auditor","status":"WARN","score":0.2,"input_snapshot":"题干：\n下列计算正确的是( ) A. −\\(\\sqrt{−4}^{2}\\)= 4 B. (−√4)^{2}= 4 C. √25 = ±5 D. √9 1\\(1 _{16}\\)= 3 4\n答案：\n\n解析：\n","result_json":"{\"note\": \"视觉比对不可用\", \"error\": \"invalid_json_root\", \"unavailable\": true}","created_at":"2026-09-25T02:12:02"},{"id":425945,"import_question_id":21577,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":1.0,"input_snapshot":"下列计算正确的是( ) A. − \\sqrt{−4}^{2} = 4 B. (−√4)^{2}= 4 C. √25 = ±5 D. √9 1 1 _{16} = 3 4","result_json":"{\"basis\": \"A: −√(−4)² = −√16 = −4 ≠ 4；B: (−√4)² = (−2)² = 4，正确；C: √25 = 5（算术平方根非负），不是±5；D: √(9 1/16) = √(145/16) = √145 / 4 ≈ 3.006，而 3 1/4 = 13/4 = 3.25，不相等。\", \"answer\": \"B\", \"confidence\": 1.0, \"handout_chars\": 0}","created_at":"2026-09-25T02:12:55"},{"id":425946,"import_question_id":21577,"audit_type":"CRITIC","auditor_name":"critic","status":"PASS","score":1.0,"input_snapshot":"来源答案: || 盲解:B","result_json":"{\"ok\": true, \"issues\": [], \"merged\": true, \"confidence\": 1.0}","created_at":"2026-09-25T02:12:55"},{"id":425947,"import_question_id":21577,"audit_type":"SYMBOLIC","auditor_name":"symbolic-auditor","status":"WARN","score":0.5,"input_snapshot":"答案: || 盲解:B","result_json":"{\"checks\": [], \"detail\": {\"reason\": \"未提取到来源答案\"}, \"status\": \"WARN\", \"applicable\": true}","created_at":"2026-09-25T02:12:55"},{"id":425951,"import_question_id":21577,"audit_type":"COHERENCE","auditor_name":"coherence-auditor","status":"FAIL","score":0.9,"input_snapshot":"答案: || 解析:","result_json":"{\"ok\": false, \"which\": [\"solution\"], \"issues\": [\"解析为空，缺少对每个选项的逐项验证过程。\", \"未说明为何A、C、D错误，仅给出答案B，不符合‘逐项检查’要求。\"], \"confidence\": 0.9, \"equation_checks\": []}","created_at":"2026-09-25T02:13:03"},{"id":425952,"import_question_id":21577,"audit_type":"QUALITY_GATE","auditor_name":"quality-gate","status":"FAIL","score":0.75,"input_snapshot":"","result_json":"{\"warnings\": [], \"graded_gate\": true, \"hard_failed\": [\"VISION\", \"COHERENCE\", \"ANSWER\"]}","created_at":"2026-09-25T02:13:03"}]}