# OCME · 知識與練習查找

302 MKO / 1,441 families / 360 batches / 36,000 questions.

36,000 second-context math/bilingual reviewed; 0 display/symbol-checked candidates. Source questions: candidate. English: ai_candidate. No new proof, Lean, SREG or training.

1 results; page 1/1.

## 第 12298 題：協方差

- ID: `q-20261013-advance-20261026-r05-covariance-0098`; number: 12298
- Processing: second_context_reviewed
- MKO: [mko-covariance](/zh-Hant/mko/mko-covariance/)
- Family: [qf-mod26-covariance-zero-counterexample](/zh-Hant/explore/?family=qf-mod26-covariance-zero-counterexample)
- Batch: [batch-20261013-advance-20261026-r05-covariance-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261026-r05-covariance-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261026-r05-covariance-0098/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261026-r05-covariance-0098/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261026-r05-covariance-0098.json)