{"ok":true,"question":{"id":21222,"question_uuid":"98da85cc-d2be-460f-819e-e44526ac7acb","job_id":4,"source_file":"A中考/2026江苏中考期末数学试卷+答案85.pdf","source_page_start":3,"source_page_end":3,"source_bbox":"[31.44, 507.46, 455.76, 620.99]","subject_code":"math","grade_level":"JUNIOR","tree_code":"KT_JUNIOR_MATH_STANDARD","question_type":"subjective","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"先化简,再求值: _{x2}_{+2x+1}÷ (_{x}− _{x+1}), 其中x是一元二次方程\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"x^{2}\"}, {\"text\": \"−3x − 4 = 0 的一个解.\", \"type\": \"text\"}, {\"type\": \"math_inline\", \"latex\": \"\\\\frac{x^{2}−x}{2a^{2}} 1 2\"}, {\"text\": \"【小试1】\", \"type\": \"text\"}, {\"kind\": \"embedded_image\", \"type\": \"figure\", \"width\": 271, \"height\": 258, \"sha256\": \"9195a8193877c8100f64fd1538e392cb937b7ffab27122a9abf6653f5d62abed\", \"caption\": \"\", \"asset_key\": \"math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/e6c622c5-1e75-410b-8e5c-1c59659a117d/9195a8193877.png\", \"public_url\": \"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/e6c622c5-1e75-410b-8e5c-1c59659a117d/9195a8193877.png\", \"source_bbox\": \"[30.0, 480.96, 66.72, 514.68]\", \"source_page\": 3}], \"source\": {\"bbox\": [31.44, 507.46, 455.76, 620.99], \"file\": \"A中考/2026江苏中考期末数学试卷+答案85.pdf\", \"regions\": [{\"bbox\": [31.44, 507.46, 455.76, 620.99], \"page\": 3}], \"section\": \"quiz\", \"page_end\": 3, \"page_start\": 3, \"section_label\": \"小试牛刀 ★ 独立完成，见证实力！\", \"answer_regions\": []}, \"version\": 1, \"grade_level\": \"JUNIOR\", \"number_label\": \"1\", \"subject_code\": \"math\", \"question_type\": \"subjective\", \"content_sha256\": \"01e2a436f8c69335570293be90845363e32c0f477ecb20ab5db324cb3247576c\"}","body_html":"<div>先化简,再求值: _{x2}_{+2x+1}÷ (_{x}− _{x+1}), 其中x是一元二次方程\\(x^{2}\\)−3x − 4 = 0 的一个解.\\(\\frac{x^{2}−x}{2a^{2}} 1 2\\)【小试1】<img class=\"question-figure\" src=\"http://tikupdfpng.mtwlkj.net:5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/e6c622c5-1e75-410b-8e5c-1c59659a117d/9195a8193877.png\" style=\"width:49.0px!important;max-width:100%;height:auto\" alt=\"\" title=\"点击查看原图\"></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":null,"error_message":"处理异常: LLM call failed after retries: HTTPConnectionPool(host='127.0.0.1', port=8092): Read timed out. 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