题目 #21088
- UUID
dc74da05-f44a-43e5-984b-15648e6b17b4- 来源
- 人教版/七下/2026江苏七年级期末数学试卷+答案390.pdf 第 3 页,bbox
[30.0, 581.99, 168.5, 634.68] - 题型 / 学科
- comprehensive / math / SENIOR
- 知识树
KT_SENIOR_MATH_STANDARD- 难度
- 难度 3 / 5 中等 · 多步骤
- QA 状态
- PUBLISHED 重试 0 次,得分 0.950
- 最终题 ID
9872
最终题干渲染(f_body 预览)
求下列各式中x的值:
(1)\(8x^{3}\)+ 27 = 0;
(2)(x −1)^{3}= 64.
(1)\(8x^{3}\)+ 27 = 0;
(2)(x −1)^{3}= 64.
答案 / 解析
答案(f_answer)
(1) x = -1.5; (2) x = 5
解析(f_ways)
(1) 由\(8x^{3}\)+ 27 = 0 得\(8x^{3}\)= -27,故\(x^{3}\)= -27/8,开立方得 x = -3/2 = -1.5。
(2) 由 (x−1)^3 = 64 得 x−1 = 4,故 x = 5。
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 | - | |
| VISION | vision-auditor | PASS | 0.900 | |
| SOLVER | blind-solver | PASS | 1.000 | |
| CRITIC | critic | PASS | 1.000 | |
| SYMBOLIC | symbolic-auditor | WARN | 0.500 | |
| COHERENCE | coherence-auditor | FAIL | 0.900 | |
| QUALITY_GATE | quality-gate | FAIL | 0.950 | |
| 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 |
知识点(0)
无
正式题库记录(t_question.f_id=9872)
- f_qkey
496345740eb6bc416cff4be72b0b3730- f_style / 难度
- 4 / 2
- 入库题干
- 求下列各式中x的值:
(1)\(8x^{3}\)+ 27 = 0;
(2)(x −1)^{3}= 64. - 入库答案
- (1) x = -1.5; (2) x = 5
- 入库解析
- (1) 由\(8x^{3}\)+ 27 = 0 得\(8x^{3}\)= -27,故\(x^{3}\)= -27/8,开立方得 x = -3/2 = -1.5。 (2) 由 (x−1)^3 = 64 得 x−1 = 4,故 x = 5。
事件
| 时间 | 阶段 | 级别 | 消息 |
|---|---|---|---|
| 2026-09-24 22:41:02 | PUBLISH | INFO | 已发布 t_question.f_id=9872 qkey=496345740eb6bc416cff4be72b0b3730 |
| 2026-09-24 22:41:02 | QA | INFO | QA: PASS (score=0.950) |
| 2026-09-24 22:35:53 | FORMULA | WARN | 公式转换未确认,保留原文本: sub_2 |
| 2026-09-24 22:34:27 | FORMULA | WARN | 公式转换未确认,保留原文本: sub_1 |