# 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.

25 results; page 1/1.

## 第 10651 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0026`; number: 10651
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0026/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0026/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0026.json)

## 第 10652 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0027`; number: 10652
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0027/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0027/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0027.json)

## 第 10653 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0028`; number: 10653
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0028/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0028/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0028.json)

## 第 10654 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0029`; number: 10654
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0029/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0029/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0029.json)

## 第 10655 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0030`; number: 10655
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0030/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0030/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0030.json)

## 第 10656 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0031`; number: 10656
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0031/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0031/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0031.json)

## 第 10657 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0032`; number: 10657
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0032/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0032/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0032.json)

## 第 10658 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0033`; number: 10658
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0033/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0033/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0033.json)

## 第 10659 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0034`; number: 10659
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0034/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0034/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0034.json)

## 第 10660 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0035`; number: 10660
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0035/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0035/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0035.json)

## 第 10661 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0036`; number: 10661
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0036/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0036/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0036.json)

## 第 10662 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0037`; number: 10662
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0037/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0037/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0037.json)

## 第 10663 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0038`; number: 10663
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0038/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0038/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0038.json)

## 第 10664 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0039`; number: 10664
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0039/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0039/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0039.json)

## 第 10665 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0040`; number: 10665
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0040/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0040/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0040.json)

## 第 10666 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0041`; number: 10666
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0041/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0041/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0041.json)

## 第 10667 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0042`; number: 10667
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0042/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0042/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0042.json)

## 第 10668 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0043`; number: 10668
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0043/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0043/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0043.json)

## 第 10669 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0044`; number: 10669
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0044/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0044/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0044.json)

## 第 10670 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0045`; number: 10670
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0045/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0045/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0045.json)

## 第 10671 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0046`; number: 10671
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0046/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0046/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0046.json)

## 第 10672 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0047`; number: 10672
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0047/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0047/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0047.json)

## 第 10673 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0048`; number: 10673
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0048/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0048/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0048.json)

## 第 10674 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0049`; number: 10674
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0049/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0049/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0049.json)

## 第 10675 題：二變數實函數

- ID: `q-20261013-advance-20261023-r07-multivariable-real-function-0050`; number: 10675
- Processing: second_context_reviewed
- MKO: [mko-multivariable-real-function](/zh-Hant/mko/mko-multivariable-real-function/)
- Family: [qf-mod23-multivar-rectangle-domain-audit](/zh-Hant/explore/?family=qf-mod23-multivar-rectangle-domain-audit)
- Batch: [batch-20261013-advance-20261023-r07-multivariable-real-function-foundations](/zh-Hant/explore/?batch=batch-20261013-advance-20261023-r07-multivariable-real-function-foundations)
- [Derivation](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0050/) / [Markdown](/zh-Hant/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0050/index.md) / [JSON](/data/question-derivations/questions/q-20261013-advance-20261023-r07-multivariable-real-function-0050.json)

