# OCME · Knowledge & practice explorer

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.

120 results; page 1/5.

## Question 4701: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0076`; number: 4701
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0076/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0076/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0076.json)

## Question 4702: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0077`; number: 4702
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0077/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0077/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0077.json)

## Question 4703: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0078`; number: 4703
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0078/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0078/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0078.json)

## Question 4704: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0079`; number: 4704
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0079/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0079/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0079.json)

## Question 4705: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0080`; number: 4705
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0080/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0080/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0080.json)

## Question 4706: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0081`; number: 4706
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0081/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0081/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0081.json)

## Question 4707: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0082`; number: 4707
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0082/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0082/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0082.json)

## Question 4708: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0083`; number: 4708
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0083/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0083/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0083.json)

## Question 4709: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0084`; number: 4709
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0084/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0084/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0084.json)

## Question 4710: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0085`; number: 4710
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0085/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0085/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0085.json)

## Question 4711: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0086`; number: 4711
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0086/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0086/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0086.json)

## Question 4712: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0087`; number: 4712
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0087/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0087/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0087.json)

## Question 4713: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0088`; number: 4713
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0088/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0088/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0088.json)

## Question 4714: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0089`; number: 4714
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0089/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0089/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0089.json)

## Question 4715: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0090`; number: 4715
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0090/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0090/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0090.json)

## Question 4716: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0091`; number: 4716
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0091/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0091/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0091.json)

## Question 4717: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0092`; number: 4717
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0092/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0092/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0092.json)

## Question 4718: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0093`; number: 4718
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0093/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0093/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0093.json)

## Question 4719: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0094`; number: 4719
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0094/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0094/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0094.json)

## Question 4720: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0095`; number: 4720
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0095/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0095/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0095.json)

## Question 4721: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0096`; number: 4721
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0096/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0096/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0096.json)

## Question 4722: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0097`; number: 4722
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0097/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0097/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0097.json)

## Question 4723: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0098`; number: 4723
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0098/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0098/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0098.json)

## Question 4724: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0099`; number: 4724
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0099/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0099/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0099.json)

## Question 4725: Original Rational-Expression Domain Guard

- ID: `q-20261008-advance-20261011-r03-variable-expression-0100`; number: 4725
- Processing: second_context_reviewed
- MKO: [mko-variable-expression](/en/mko/mko-variable-expression/)
- Family: [qf-density11-expression-domain-candidate](/en/explore/?family=qf-density11-expression-domain-candidate)
- Batch: [batch-20261008-advance-20261011-r03-variable-expression-foundations](/en/explore/?batch=batch-20261008-advance-20261011-r03-variable-expression-foundations)
- [Derivation](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0100/) / [Markdown](/en/questions/q-20261008-advance-20261011-r03-variable-expression-0100/index.md) / [JSON](/data/question-derivations/questions/q-20261008-advance-20261011-r03-variable-expression-0100.json)

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