{"ok":true,"question":{"id":21657,"question_uuid":"75a16e23-07a4-4914-a332-f1d83b32c07a","job_id":3,"source_file":"人教版/七下/2026江苏七年级期末数学试卷+答案455.pdf","source_page_start":2,"source_page_end":2,"source_bbox":"[30.22, 116.04, 171.62, 129.38]","subject_code":"math","grade_level":"SENIOR","tree_code":"KT_SENIOR_MATH_STANDARD","question_type":"fill_blank","canonical_json":"{\"year\": null, \"blocks\": [{\"text\": \"计算√49 + ^{3}√64 =______.\", \"type\": \"text\"}, {\"type\": \"answer\", \"blocks\": [{\"text\": \"5的立方根是^{3}√5，故答案为：^{3}√5．\", \"type\": \"text\"}]}, {\"type\": \"solution\", \"blocks\": [{\"type\": \"math_inline\", \"latex\": \"\\\\frac{11}{因为}\"}, {\"text\": \"√49 = 7, ^{3}√64 = 4, ∴√49 + ^{3}√64 = 7 + 4 = 11 x = −3 + √3或x = −3 −√3\", \"type\": \"text\"}]}], \"source\": {\"bbox\": [30.22, 116.04, 171.62, 129.38], \"file\": \"人教版/七下/2026江苏七年级期末数学试卷+答案455.pdf\", \"regions\": [{\"bbox\": [30.22, 116.04, 171.62, 129.38], \"page\": 2}], \"section\": \"generic\", \"page_end\": 2, 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