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+48,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. |
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答案 / 解析
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解析(f_ways)
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原图与资产(2)
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 03:38:47 | QA_TERMINAL | WARN | question terminal status=QUARANTINED: /data/qbank/quarantine/16de2e24-a616-456b-83c5-3364ab6bd928/question_7cac7321-8d46-4aea-a80a-51f9f364ab07.json |
| 2026-09-24 03:38:47 | QA | WARN | QA: FAIL (score=0.925) |