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题目 #15166

UUID
2624c311-06a9-47dc-963d-155d94bcf013
来源
A中考/2026江苏中考期末数学试卷+答案270.pdf 第 5 页,bbox [30.0, 353.5, 536.4, 732.45]
题型 / 学科
single_choice / math / JUNIOR
知识树
KT_JUNIOR_MATH_STANDARD
难度
难度 5 / 5 最难 · 复杂推理/计算
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)

穿越青海境内的兰新高铁极大地改善了沿线人民的经济文化生活, 该铁路沿线甲 , 乙两城市相距480km, 乘坐高铁列车比普通快车提前4h到达,已知 高铁列车平均行驶速度比普通列车快\(160\,\mathrm{km/h}\)设普通列车的平均行驶速度xkm/h, 依题意 ,下面所列方程正确的是(). 6.3 月12日植树节期间, 某校环保小卫士组织植树活动. 第一组植树12棵;第二组比第一组多6 人 , 植树36棵; 结果两组平均每人植树的棵数相等,则第一组有___人.
A. _{x}− _{x+160}=\(4 \frac{480}{480} \frac{480}{480} _{x}= 4\)
B. _{x}− _{x−160}=\(4 \frac{_{x+160}−}{_{x−160}−} \frac{480}{480} \frac{480}{480}\)
C. _{x}= 4
D.

答案 / 解析

答案(f_answer)

第5题:B;第6题:6

解析(f_ways)

第5题:设普通列车平均速度为\(x \,\mathrm{km/h}\),则高铁速度为(x+160)\(\,\mathrm{km/h}\)。根据时间差列方程:480/x - 480/(x+160) = 4,对应选项B。 第6题:设第一组有y人,则第二组有y+6人。由平均植树棵数相等得:12/y = 36/(y+6),解得y=6。

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 1.000
SOLVER blind-solver PASS 1.000
CRITIC critic PASS 1.000
SYMBOLIC symbolic-auditor WARN 0.500
COHERENCE coherence-auditor FAIL 0.800
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
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知识点(0)

无

事件

时间阶段级别消息
2026-09-23 06:34:45PUBLISHERROR发布失败: 正式发布门禁:选项内容为空: D
2026-09-23 06:34:45QAINFOQA: PASS (score=0.925)
2026-09-23 06:30:17FORMULAWARN公式转换未确认,保留原文本: option_C
2026-09-23 06:26:17FORMULAWARN公式转换未确认,保留原文本: option_B
2026-09-23 06:25:03FORMULAWARN公式转换未确认,保留原文本: option_A