# 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 30859 題：固定前序的完成計數

- ID: `q-20261011-advance-20261015-r06-permutation-combination-0084`; number: 30859
- Processing: second_context_reviewed
- MKO: [mko-permutation-combination](/zh-Hant/mko/mko-permutation-combination/)
- Family: [qf-density15-selection-forced-initial-order](/zh-Hant/explore/?family=qf-density15-selection-forced-initial-order)
- Batch: [batch-20261011-advance-20261015-r06-permutation-combination-foundations](/zh-Hant/explore/?batch=batch-20261011-advance-20261015-r06-permutation-combination-foundations)
- [Derivation](/zh-Hant/questions/q-20261011-advance-20261015-r06-permutation-combination-0084/) / [Markdown](/zh-Hant/questions/q-20261011-advance-20261015-r06-permutation-combination-0084/index.md) / [JSON](/data/question-derivations/questions/q-20261011-advance-20261015-r06-permutation-combination-0084.json)