九科 PDF 自动题库平台
v1.0.0

题目 #23278

UUID
27659967-783d-45c2-8372-6003d9b04431
来源
人教版/七下/2026江苏七年级期末数学试卷+答案975.pdf 第 3 页,bbox [30.22, 344.18, 279.03, 374.68]
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 重试 0 次,得分 0.963
最终题 ID
-
错误
QA failed: COHERENCE,ANSWER

最终题干渲染(f_body 预览)

用加减消元法解下列方程组{3(x −1) = y + 5 −3x + 5y = 20

答案 / 解析

答案(f_answer)

y = 7

解析(f_ways)

整理得{3(x −1) = y + 5①,① +②得4y= 28,解得y= 7,把y= 7代入①得 −3x + 5y = 20② 3x −7 = 8, 解得x = 5, 所以{x = 5 y = 7 {x = 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-auditor PASS 1.000
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 0.950
SYMBOLIC symbolic-auditor PASS 0.900
COHERENCE coherence-auditor FAIL 0.900
QUALITY_GATE quality-gate FAIL 0.963
SOLVER blind-solver PASS 0.800
CRITIC critic PASS 0.900
COHERENCE coherence-auditor PASS 1.000
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
2026-09-25 15:51:09QA_TERMINALWARNquestion terminal status=QUARANTINED: /data/qbank/quarantine/2b06312b-7e3f-494e-ae3e-21d10207fcf7/question_27659967-783d-45c2-8372-6003d9b04431.json
2026-09-25 15:51:09QAWARNQA: FAIL (score=0.963)
2026-09-25 15:44:17FORMULAWARN公式转换未确认,保留原文本: solution
2026-09-25 15:40:07FORMULAWARN公式转换未确认,保留原文本: stem
2026-09-25 15:40:07FORMULAWARN拒绝公式转换跨字段改写: stem: numeric tokens changed during formula transcription