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题目 #14999

UUID
25e13c60-88e7-4413-8de3-14ba596fb542
来源
A中考/2026江苏中考期末数学试卷+答案260.pdf 第 2-3 页,bbox [31.44, 658.66, 455.76, 212.73]
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 0.762
最终题 ID
-
错误
QA failed: VISION

最终题干渲染(f_body 预览)

端午节期间,某商家推出“优惠酬宾”活动,决定每袋粽子降价2元销售【小试2】. 细心的小夏发现,降价后用240元可以比降价前多购买10袋,求:每袋粽子原价是多少元?设每袋粽子原价是 x 元,所得方程正确的是(). _{x}− _{x−2}= 10 240 240
(B)240 240 − = 10 x x−2 (C)240 240 − = 10 x−2 x (D)240 240 − = 10 x+2 x Col1

A. _{x}− _{x+2}= 10 240 240
B. 240\(240 _{x−2}\)− _{x}= 10
C. 240\(240 _{x+2}\)− _{x}= 10
D.

答案 / 解析

答案(f_answer)

C

解析(f_ways)

设每袋粽子的原价是 x 元,则降价后价格是(x −2)元.根据题意可列方程组为 _{x−2}− _{x}= 10, 故选: C. 240 1.2

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 -
SOLVER blind-solver PASS 1.000
CRITIC critic PASS 1.000
VISION vision-auditor WARN 0.200
SYMBOLIC symbolic-auditor PASS 1.000
RETRO_REPAIR retro-deterministic FAIL 0.300
COHERENCE coherence-auditor PASS 0.950
QUALITY_GATE quality-gate FAIL 0.762
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 05:41:53QA_TERMINALWARNquestion terminal status=QUARANTINED: /data/qbank/quarantine/16de2e24-a616-456b-83c5-3364ab6bd928/question_25e13c60-88e7-4413-8de3-14ba596fb542.json
2026-09-23 05:41:53QAWARNQA: FAIL (score=0.762)
2026-09-23 05:37:27FORMULAWARN公式转换未确认,保留原文本: solution
2026-09-23 05:35:45FORMULAWARN公式转换未确认,保留原文本: option_C
2026-09-23 05:31:45FORMULAWARN公式转换未确认,保留原文本: option_B
2026-09-23 05:30:00FORMULAWARN公式转换未确认,保留原文本: option_A