{"ok":true,"question":{"id":21575,"question_uuid":"2480f8ec-0e27-4ffe-b8f0-16d929394ed5","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":2,"source_page_end":2,"source_bbox":"[30.0, 633.8, 232.91, 733.8]","subject_code":"math","grade_level":"JUNIOR","tree_code":"KT_JUNIOR_MATH_STANDARD","question_type":"choice","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"计算√4 −√−273 −√81的结果为( )\", \"type\": \"text\"}, {\"type\": \"option\", \"label\": \"A\", \"blocks\": [{\"type\": \"math_inline\", \"latex\": \"4 \\\\frac{(B)−4}{(C)10}\"}], \"source_bbox\": [30.0, 674.03, 72.62, 687.0], \"source_page\": 2}, {\"type\": \"option\", \"label\": \"D\", \"blocks\": [{\"text\": \"−10\", \"type\": \"text\"}], \"source_bbox\": [30.0, 720.83, 88.22, 733.8], \"source_page\": 2}], \"source\": {\"bbox\": [30.0, 633.8, 232.91, 733.8], \"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, 633.8, 232.91, 733.8], \"page\": 2}], \"section\": \"match\", \"page_end\": 2, \"page_start\": 2, \"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\": \"1\", \"subject_code\": \"math\", \"question_type\": \"choice\", \"content_sha256\": \"b7040d4fdc676a5101cda1294efb6ad668076af15125b08e2744c3c2d78b752f\"}","body_html":"<div>计算√4 −√−273 −√81的结果为( )<br>A. \\(4 \\frac{(B)−4}{(C)10}\\)<br>D. −10</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":"b7040d4fdc676a5101cda1294efb6ad668076af15125b08e2744c3c2d78b752f","created_at":"2026-09-25T02:02:54","updated_at":"2026-09-25T02:09:37","answer_missing":true,"formula_fallback":false,"_number":"1","_section":"match","_section_label":"智适化匹配练习   ★ 交互式系统学习"},"assets":[],"knowledge":[],"audits":[{"id":425880,"import_question_id":21575,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"计算√4 −√−273 −√81的结果为( ) A. 4 \\frac{(B)−4}{(C)10} D. −10","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-09-25T02:08:59"},{"id":425881,"import_question_id":21575,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"4 \\frac{(B)−4}{(C)10}","result_json":"{\"risky\": 1, \"issues\": [], \"checked\": 1, \"invalid\": 0, \"visual_check\": \"delegated_to_question_vision\", \"invalid_details\": [], \"visually_verified\": 0}","created_at":"2026-09-25T02:08:59"},{"id":425882,"import_question_id":21575,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"计算√4 −√−273 −√81的结果为( ) A. 4 \\frac{(B)−4}{(C)10} D. −10","result_json":"{\"picks\": [], \"tree_code\": \"KT_JUNIOR_MATH_STANDARD\", \"candidates\": 0, \"classifier_version\": null}","created_at":"2026-09-25T02:08:59"},{"id":425886,"import_question_id":21575,"audit_type":"VISION","auditor_name":"vision-auditor","status":"WARN","score":0.2,"input_snapshot":"题干：\n计算√4 −√−273 −√81的结果为( ) A. \\(4 \\frac{(B)−4}{(C)10}\\) D. −10\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":"2026-09-25T02:09:23"},{"id":425887,"import_question_id":21575,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":1.0,"input_snapshot":"计算√4 −√−273 −√81的结果为( ) A. 4 \\frac{(B)−4}{(C)10} D. −10","result_json":"{\"basis\": \"√4 = 2；³√(-27) = -3；√81 = 9；2 - 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