题目 #181547
- UUID
af4fe6b2-6ea0-4c73-b5b4-cd9b6bcf44bb- 来源
- 青岛版/七上/杜辉Q_18951362233_195_检测.pdf 第 1 页，bbox
[30.22, 568.75, 507.21, 646.39] - 题型 / 学科
- single_choice / 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 重试 0 次，得分 0.938
- 最终题 ID
- -
- 错误
- QA failed: ANSWER
最终题干渲染（f_body 预览）
在−0.47159中用数字2替换其中的一个非零数字后，使所得的数最小，则被替换的数字是( )
A. 4
B. \(\frac{7}{1}\)
C.
D. 9
A. 4
B. \(\frac{7}{1}\)
C.
D. 9
答案 / 解析
答案（f_answer）
A
解析（f_ways）
原数为−0.47159，要使其最小，需让绝对值最大。将2替换某一位后，比较各情况：替换4得−0.27159，替换7得−0.42159，替换1得−0.47259，替换5得−0.47219，替换9得−0.47129。其中−0.27159最小（最接近0的负数），对应替换的是数字4。
原图与资产（0）
该题没有裁出图片资产
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 | - | |
| VISION | vision-auditor | PASS | 0.950 | |
| SOLVER | blind-solver | PASS | 0.950 | |
| CRITIC | critic | PASS | 1.000 | |
| SYMBOLIC | symbolic-auditor | PASS | 1.000 | |
| COHERENCE | coherence-auditor | PASS | 0.900 | |
| QUALITY_GATE | quality-gate | PASS | 0.938 | |
| SOLVER | blind-solver | PASS | 0.900 | |
| CRITIC | critic | FAIL | 0.950 | |
| AUTO_REPAIR_ATTEMPT | answer-repair | FAIL | 0.900 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 | |
| RETRO_REPAIR | retro-deterministic | FAIL | 0.300 |
知识点（0）
无
事件
| 时间 | 阶段 | 级别 | 消息 |
|---|---|---|---|
| 2026-11-10 07:27:30 | QA_TERMINAL | WARN | question terminal status=QUARANTINED: /data/qbank/quarantine/25691159-497d-4ce1-90b3-ac48b74c97f3/question_af4fe6b2-6ea0-4c73-b5b4-cd9b6bcf44bb.json |
| 2026-11-10 07:27:30 | QA | WARN | QA: FAIL (score=0.938) |
| 2026-11-10 07:22:52 | FORMULA | WARN | 公式转换未确认，保留原文本: option_B |