{"ok":true,"question":{"id":21546,"question_uuid":"8509f6af-320c-459e-a98b-ad73ea2158bf","job_id":3,"source_file":"人教版/七下/2026江苏七年级期末数学试卷+答案440.pdf","source_page_start":3,"source_page_end":3,"source_bbox":"[30.0, 211.8, 315.55, 226.96]","subject_code":"math","grade_level":"JUNIOR","tree_code":"KT_JUNIOR_MATH_STANDARD","question_type":"fill_blank","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"写出√5 −2 的相反数是____，3√−8的倒数是____．\", \"type\": \"text\"}], \"source\": {\"bbox\": [30.0, 211.8, 315.55, 226.96], \"file\": \"人教版/七下/2026江苏七年级期末数学试卷+答案440.pdf\", \"regions\": [{\"bbox\": [30.0, 211.8, 315.55, 226.96], \"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\": \"4\", \"subject_code\": \"math\", \"question_type\": \"fill_blank\", \"content_sha256\": \"a8e37fe74762e30f8e0358cfb6ef067ab152b4d8e524e00b6232b7222c93c9d8\"}","body_html":"<div>写出√5 −2 的相反数是____，3√−8的倒数是____．</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":0.925,"error_message":"QA failed: COHERENCE,ANSWER","published_question_id":null,"content_sha256":"a8e37fe74762e30f8e0358cfb6ef067ab152b4d8e524e00b6232b7222c93c9d8","created_at":"2026-09-25T01:49:49","updated_at":"2026-09-25T02:01:40","answer_missing":true,"formula_fallback":false,"_number":"4","_section":"match","_section_label":"智适化匹配练习   ★ 交互式系统学习"},"assets":[],"knowledge":[],"audits":[{"id":425151,"import_question_id":21546,"audit_type":"STRUCTURE","auditor_name":"structure-rule","status":"PASS","score":0.9,"input_snapshot":"写出√5 −2 的相反数是____，3√−8的倒数是____．","result_json":"{\"ok\": true, \"rule\": \"clean-override\", \"issues\": [], \"confidence\": 0.9}","created_at":"2026-09-25T01:57:53"},{"id":425152,"import_question_id":21546,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"","result_json":"{\"note\": \"无公式块\", \"checked\": 0}","created_at":"2026-09-25T01:57:53"},{"id":425153,"import_question_id":21546,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"写出√5 −2 的相反数是____，3√−8的倒数是____．","result_json":"{\"picks\": [], \"tree_code\": \"KT_JUNIOR_MATH_STANDARD\", \"candidates\": 0, \"classifier_version\": null}","created_at":"2026-09-25T01:57:53"},{"id":425157,"import_question_id":21546,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":1.0,"input_snapshot":"写出√5 −2 的相反数是____，3√−8的倒数是____．","result_json":"{\"basis\": \"相反数定义：a的相反数是−a，故√5−2的相反数为−(√5−2)=2−√5。倒数定义：非零数a的倒数是1/a，故³√(−8)=−2，其倒数为1/(−2)=−1/2。\", \"answer\": \"2−√5; −1/2\", \"confidence\": 1.0, \"handout_chars\": 0}","created_at":"2026-09-25T01:58:10"},{"id":425158,"import_question_id":21546,"audit_type":"CRITIC","auditor_name":"critic","status":"PASS","score":1.0,"input_snapshot":"来源答案: || 盲解:2−√5; −1/2","result_json":"{\"ok\": true, \"issues\": [], \"merged\": true, \"confidence\": 1.0}","created_at":"2026-09-25T01:58:10"},{"id":425159,"import_question_id":21546,"audit_type":"VISION","auditor_name":"vision-auditor","status":"PASS","score":0.9,"input_snapshot":"题干：\n写出√5 −2 的相反数是____，3√−8的倒数是____．\n答案：\n\n解析：\n","result_json":"{\"ok\": true, \"hard\": false, \"issues\": [], \"confidence\": 0.9, \"suggestions\": [\"建议补充完整答案和解析内容，当前仅显示题干和空答案框。\"]}","created_at":"2026-09-25T01:58:11"},{"id":425160,"import_question_id":21546,"audit_type":"SYMBOLIC","auditor_name":"symbolic-auditor","status":"WARN","score":0.5,"input_snapshot":"答案: || 盲解:2−√5; −1/2","result_json":"{\"checks\": [], \"detail\": {\"reason\": \"未提取到来源答案\"}, \"status\": \"WARN\", \"applicable\": true}","created_at":"2026-09-25T01:58:11"},{"id":425173,"import_question_id":21546,"audit_type":"COHERENCE","auditor_name":"coherence-auditor","status":"FAIL","score":0.9,"input_snapshot":"答案: || 解析:","result_json":"{\"ok\": false, \"which\": [\"answer\", \"solution\"], \"issues\": [\"答案缺失：题目要求填写两个空（√5 −2 的相反数、3√−8 的倒数），但来源答案字段为空，未提供结果。\", \"解析缺失：解析字段为空，缺少必要的推导步骤和解释。\", \"参考答案未纳入：虽然提供了盲解答案（2−√5; −1/2），但未将其作为正式答案或解析内容呈现，不符合完整解答要求。\"], \"confidence\": 0.9, \"equation_checks\": []}","created_at":"2026-09-25T01:58:48"},{"id":425176,"import_question_id":21546,"audit_type":"QUALITY_GATE","auditor_name":"quality-gate","status":"FAIL","score":0.925,"input_snapshot":"","result_json":"{\"warnings\": [], \"graded_gate\": true, \"hard_failed\": [\"COHERENCE\", \"ANSWER\"]}","created_at":"2026-09-25T01:58:48"},{"id":425225,"import_question_id":21546,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":1.0,"input_snapshot":"写出√5 −2 的相反数是____，3√−8的倒数是____．","result_json":"{\"basis\": \"相反数定义：a 的相反数是 -a。因此 √5−2 的相反数是 -(√5−2) = 2−√5。\\n倒数定义：非零数 a 的倒数是 1/a。\\n计算 ³√(−8) = −2，因为 (−2)³ = −8。\\n所以 ³√(−8) 的倒数是 1/(−2) = −1/2。\", \"answer\": \"2−√5; −1/2\", \"confidence\": 1.0, \"handout_chars\": 0}","created_at":"2026-09-25T02:00:24"},{"id":425226,"import_question_id":21546,"audit_type":"CRITIC","auditor_name":"critic","status":"PASS","score":1.0,"input_snapshot":"来源答案:2−√5; −1/2 || 盲解:2−√5; −1/2","result_json":"{\"ok\": true, \"issues\": [], \"merged\": true, \"confidence\": 1.0}","created_at":"2026-09-25T02:00:24"},{"id":425253,"import_question_id":21546,"audit_type":"COHERENCE","auditor_name":"coherence-auditor","status":"FAIL","score":0.9,"input_snapshot":"答案:2−√5; −1/2 || 解析:√5 −2 的相反数是 −(√5 −2) = 2−√5；3√−8 =\\(3\\times (−2) =\\)−6，其倒数为 1/(−6) = −1/6。但根据候选答案，第二个空应为 −1/2，说明原题可能是 ∛−8 的倒数，∛−8 = −2，倒数为 −1/2。因此，最终答案为：2−√5；−1/2。","result_json":"{\"ok\": false, \"which\": [\"solution\"], \"issues\": [\"解析中误将 3√−8 计算为 3×(−2)=−6，导致倒数应为 −1/6，与答案 −1/2 不符；虽最终答案正确（推测原题应为 ∛−8），但解析过程存在符号与根式理解错误。\", \"3√−8 = 3 × (−2) = −6: 符号错误：3√−8 应理解为 3 × √(−8)，而 √(−8) 在实数范围内无定义；若原意为 ∛(−8)，则 ∛(−8) = −2，但原文写作 3√−8 且计算为 3×(−2)，混淆了根指数与系数。\"], \"confidence\": 0.9, \"equation_checks\": [{\"valid\": false, \"reason\": \"符号错误：3√−8 应理解为 3 × √(−8)，而 √(−8) 在实数范围内无定义；若原意为 ∛(−8)，则 ∛(−8) = −2，但原文写作 3√−8 且计算为 3×(−2)，混淆了根指数与系数。\", \"equation\": \"3√−8 = 3 × (−2) = −6\"}, {\"valid\": true, \"reason\": \"计算正确，但基于错误的中间结果 −6。\", \"equation\": \"1/(−6) = −1/6\"}, {\"valid\": true, \"reason\": \"正确：(−2)³ = −8。\", \"equation\": \"∛−8 = −2\"}, {\"valid\": true, \"reason\": \"正确。\", \"equation\": \"1/(−2) = −1/2\"}]}","created_at":"2026-09-25T02:01:40"},{"id":425254,"import_question_id":21546,"audit_type":"SYMBOLIC","auditor_name":"symbolic-auditor","status":"PASS","score":1.0,"input_snapshot":"答案:2−√5; 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