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题目 #18399

UUID
7cac7321-8d46-4aea-a80a-51f9f364ab07
来源
A中考/2026江苏中考期末数学试卷+答案520.pdf 第 3 页,bbox [302.8, 122.3, 545.49, 254.46]
题型 / 学科
subjective / math / JUNIOR
知识树
KT_JUNIOR_MATH_STANDARD
难度
难度 2 / 5 简单 · 单一知识点
QA 状态
存疑 / 待修复 缺少答案 重试 0 次,得分 0.925
最终题 ID
-
错误
QA failed: ANSWER

最终题干渲染(f_body 预览)

\because\(\angle\)B = 30^\(\circ\)BA = BC, \therefore\(\angle\)BAC =\(\angle\)BCA = 75^\(\circ\)\because CD = CA, \therefore\(\angle\)A =\(\angle\)CDA = 75^\(\circ\)\therefore\(\angle\)BCD =\(\angle\)ADC -\(\angle\)B = 75^\(\circ - 30^\circ = 45^\circ\)故答案为45^\(\circ.\)
A.2+2 = 4,不满足三角形的三边关系, 不能搭成三角形,则此项不符合题意; B.1+2 =3,不满足三角形的三边关系, 不能搭成三角形,则此项不符合题意; C.3+4 5,满足三角形的三边关系, 能搭成三角形,则此项符合题意; D.3+48,不满足三角形的三边关系, 不能搭成三角形,则此项不符合题意; 故选:C.  B =30,BA= BC, BAC = BCA= 75,  CD =CA, A= CDA= 75, BCD = ADC −B = 75− 30 = 45 , 故答案为45.

答案 / 解析

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解析(f_ways)

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原图与资产(2)

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审计记录

阶段审计器结果得分依据(简短)
STRUCTURE structure-rule PASS 0.900
FORMULA formula-auditor PASS 1.000
KNOWLEDGE knowledge-auditor WARN -
SOLVER blind-solver PASS 1.000
CRITIC critic PASS 1.000
VISION vision-auditor PASS 0.900
SYMBOLIC symbolic-auditor WARN 0.500
COHERENCE coherence-auditor PASS 0.900
QUALITY_GATE quality-gate FAIL 0.925
SOLVER blind-solver PASS 1.000
CRITIC critic PASS 1.000
COHERENCE coherence-auditor FAIL 0.900
SYMBOLIC symbolic-auditor PASS 1.000
AUTO_REPAIR_ATTEMPT answer-repair FAIL 1.000

知识点(0)

无

事件

时间阶段级别消息
2026-09-24 03:38:47QA_TERMINALWARNquestion terminal status=QUARANTINED: /data/qbank/quarantine/16de2e24-a616-456b-83c5-3364ab6bd928/question_7cac7321-8d46-4aea-a80a-51f9f364ab07.json
2026-09-24 03:38:47QAWARNQA: FAIL (score=0.925)