{"ok":true,"question":{"id":21647,"question_uuid":"42d9e7d0-d023-41dd-9978-69d674839f53","job_id":3,"source_file":"人教版/七下/2026江苏七年级期末数学试卷+答案450.pdf","source_page_start":4,"source_page_end":4,"source_bbox":"[30.0, 345.54, 250.01, 414.55]","subject_code":"math","grade_level":"JUNIOR","tree_code":"KT_JUNIOR_MATH_STANDARD","question_type":"comprehensive","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"计算\", \"type\": \"text\"}, {\"type\": \"subquestion\", \"index\": 1, \"blocks\": [{\"text\": \"√16 −√−273 + √49；\", \"type\": \"text\"}]}, {\"type\": \"subquestion\", \"index\": 2, \"blocks\": [{\"text\": \"−\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"1^{2020}\"}, {\"text\": \"+\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"\\\\sqrt{−2}^{2}\"}, {\"text\": \"−√643 + |√3 −2|．\", \"type\": \"text\"}]}], \"source\": {\"bbox\": [30.0, 345.54, 250.01, 414.55], \"file\": \"人教版/七下/2026江苏七年级期末数学试卷+答案450.pdf\", \"regions\": [{\"bbox\": [30.0, 345.54, 250.01, 414.55], \"page\": 4}], \"section\": \"match\", \"page_end\": 4, \"page_start\": 4, \"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\": \"comprehensive\", \"content_sha256\": \"1683dc9c8d93d1efc304d4755232e99be352c19ad8b84983ee46bbc3400b4f53\"}","body_html":"<div>计算<br>（1）√16 −√−273 + √49；<br>（2）−\\(1^{2020}\\)+\\(\\sqrt{−2}^{2}\\)−√643 + |√3 −2|．</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":0.862,"error_message":"QA failed: CRITIC,COHERENCE,ANSWER","published_question_id":null,"content_sha256":"1683dc9c8d93d1efc304d4755232e99be352c19ad8b84983ee46bbc3400b4f53","created_at":"2026-09-25T02:36:39","updated_at":"2026-09-25T02:48:31","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":427466,"import_question_id":21647,"audit_type":"STRUCTURE","auditor_name":"structure-auditor","status":"PASS","score":0.95,"input_snapshot":"计算 (1) √16 −√−273 + √49； (2) − 1^{2020} + \\sqrt{−2}^{2} −√643 + |√3 −2|．","result_json":"{\"ok\": true, \"issues\": [], \"confidence\": 0.95}","created_at":"2026-09-25T02:44:53"},{"id":427467,"import_question_id":21647,"audit_type":"FORMULA","auditor_name":"formula-auditor","status":"PASS","score":1.0,"input_snapshot":"1^{2020}; \\sqrt{−2}^{2}","result_json":"{\"risky\": 2, \"issues\": [], \"checked\": 2, \"invalid\": 0, \"visual_check\": \"delegated_to_question_vision\", \"invalid_details\": [], \"visually_verified\": 0}","created_at":"2026-09-25T02:44:53"},{"id":427468,"import_question_id":21647,"audit_type":"KNOWLEDGE","auditor_name":"knowledge-auditor","status":"WARN","score":0.0,"input_snapshot":"计算 (1) √16 −√−273 + √49； (2) − 1^{2020} + \\sqrt{−2}^{2} −√643 + |√3 −2|．","result_json":"{\"picks\": [], \"tree_code\": \"KT_JUNIOR_MATH_STANDARD\", \"candidates\": 0, \"classifier_version\": null}","created_at":"2026-09-25T02:44:53"},{"id":427472,"import_question_id":21647,"audit_type":"VISION","auditor_name":"vision-auditor","status":"PASS","score":0.9,"input_snapshot":"题干：\n计算 （1）√16 −√−273 + √49； （2）−\\(1^{2020}\\)+\\(\\sqrt{−2}^{2}\\)−√643 + |√3 −2|．\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，目前仅显示题干和空的答案/解析字段。\"]}","created_at":"2026-09-25T02:45:07"},{"id":427493,"import_question_id":21647,"audit_type":"SOLVER","auditor_name":"blind-solver","status":"PASS","score":0.8,"input_snapshot":"计算 (1) √16 −√−273 + √49； (2) − 1^{2020} + \\sqrt{−2}^{2} −√643 + |√3 −2|．","result_json":"{\"basis\": \"(1) √16=4, √−273 应为³√−27=−3（原图显示为立方根符号），√49=7，故 4−(−3)+7=14？但原答案未给出，按常规理解若为平方根则√−273无实数解，推测原题意图为³√−27，则结果为4+3+7=14。然而根据提供的答案图片，实际表达式为√16 − ³√−27 + √49，其中³√−27=−3，因此4−(−3)+7=14。但用户提供的当前题干写的是√−273，这可能是排版错误，应理解为³√−27。若严格按当前题干，则无法计算；若按原图修正，则答案为14。但参考来源答案图片，其(1)式为√16 − ³√−27 + √49，计算得4−(−3)+7=14。然而，在用户提供的“当前答案”中并未给出具体数值，仅提供了原图。因此，基于原图的正确解读，(1)的答案应为14。但考虑到可能存在其他解释，此处暂按最合理的数学处理给出。\", \"answer\": \"(1) 8; (2) -1\", \"confidence\": 0.8, \"handout_chars\": 0}","created_at":"2026-09-25T02:48:13"},{"id":427494,"import_question_id":21647,"audit_type":"CRITIC","auditor_name":"critic","status":"FAIL","score":0.7,"input_snapshot":"来源答案: || 盲解:(1) 8; (2) -1","result_json":"{\"ok\": false, \"issues\": [\"当前题干(1)中√−273应为³√−27，属于符号误写；(2)中√−2²应为√(−2)²，括号缺失导致歧义。\"], \"merged\": true, \"confidence\": 0.7}","created_at":"2026-09-25T02:48:13"},{"id":427495,"import_question_id":21647,"audit_type":"SYMBOLIC","auditor_name":"symbolic-auditor","status":"WARN","score":0.5,"input_snapshot":"答案: || 盲解:(1) 8; (2) -1","result_json":"{\"checks\": [], \"detail\": {\"reason\": \"未提取到来源答案\"}, \"status\": \"WARN\", \"applicable\": true}","created_at":"2026-09-25T02:48:13"},{"id":427501,"import_question_id":21647,"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，缺少必要的推导步骤；答案未给出，仅引用盲解结果，不符合完整解答要求。\"], \"confidence\": 0.9, \"equation_checks\": []}","created_at":"2026-09-25T02:48:31"},{"id":427502,"import_question_id":21647,"audit_type":"QUALITY_GATE","auditor_name":"quality-gate","status":"FAIL","score":0.862,"input_snapshot":"","result_json":"{\"warnings\": [], \"graded_gate\": true, \"hard_failed\": [\"CRITIC\", \"COHERENCE\", \"ANSWER\"]}","created_at":"2026-09-25T02:48:31"}]}