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题目 #13303

UUID
8d45b812-e910-4811-bcb2-67a25a939878
来源
A中考/2026江苏中考期末数学试卷+答案140.pdf 第 4 页,bbox [31.44, 148.9, 388.2, 343.19]
题型 / 学科
single_choice / math / JUNIOR
知识树
KT_JUNIOR_MATH_STANDARD
难度
难度 3 / 5 中等 · 多步骤
QA 状态
存疑 / 待修复 重试 0 次,得分 0.925
最终题 ID
-
错误
发布失败: 正式发布门禁:选项内容为空: D

最终题干渲染(f_body 预览)

不透明的袋子中装有1个红球, 2个白球, 这些球除颜色外无其他差别【小试1】, 从中随机摸出一个球, 放回并摇匀, 再从中随机摸出一个球, 那么两次都摸出白球的概率是().\(\frac{1}{9} 9 3\)
A. \(\frac{1}{3}\)
B. 4
C. 2
D.

答案 / 解析

答案(f_answer)

B

解析(f_ways)

袋中有1个红球和2个白球,共3个球。第一次摸出白球的概率为\(\frac{2}{3}\),由于放回并摇匀,第二次摸出白球的概率仍为\(\frac{2}{3}\)。两次都摸出白球的概率为\(\frac{2}{3} \times \frac{2}{3} = \frac{4}{9}\)。对应选项B。

原图与资产(1)

预览类型页source bboxhashURL本地路径
embedded_image4 [30.0, 120.72, 66.72, 154.44] c8ccf49b30064755…
打开
/www/wwwroot/tikupdfpng.mtwlkj.net_5129/qbank/math/2026/09/16de2e24-a616-456b-83c5-3364ab6bd928/95f1d739-9734-401f-ae9d-92a76772abf3/c8ccf49b3006.png

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
RETRO_REPAIR retro-deterministic FAIL 0.300
VISION vision-auditor FAIL 0.900
SYMBOLIC symbolic-auditor WARN 0.550
COHERENCE coherence-auditor FAIL 0.900
QUALITY_GATE quality-gate FAIL 0.925
SOLVER blind-solver PASS 1.000
CRITIC critic PASS 1.000
COHERENCE coherence-auditor PASS 1.000
SYMBOLIC symbolic-auditor PASS 1.000
AUTO_REPAIR_ATTEMPT answer-repair PASS 1.000
AUTO_REPAIR answer-repair PASS 1.000
VISION vision-auditor PASS 0.950
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
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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
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RETRO_REPAIR retro-deterministic FAIL 0.300
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知识点(0)

无

事件

时间阶段级别消息
2026-09-22 19:13:12PUBLISHERROR发布失败: 正式发布门禁:选项内容为空: D
2026-09-22 19:13:12QAINFOQA: PASS (score=0.925)
2026-09-22 19:08:21FORMULAWARN公式转换未确认,保留原文本: answer