# 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.

25 results; page 1/1.

## Question 301: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0001`; number: 301
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0001/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0001/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0001.json)

## Question 302: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0002`; number: 302
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0002/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0002/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0002.json)

## Question 303: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0003`; number: 303
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0003/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0003/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0003.json)

## Question 304: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0004`; number: 304
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0004/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0004/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0004.json)

## Question 305: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0005`; number: 305
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0005/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0005/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0005.json)

## Question 306: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0006`; number: 306
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0006/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0006/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0006.json)

## Question 307: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0007`; number: 307
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0007/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0007/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0007.json)

## Question 308: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0008`; number: 308
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0008/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0008/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0008.json)

## Question 309: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0009`; number: 309
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0009/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0009/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0009.json)

## Question 310: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0010`; number: 310
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0010/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0010/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0010.json)

## Question 311: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0011`; number: 311
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0011/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0011/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0011.json)

## Question 312: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0012`; number: 312
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0012/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0012/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0012.json)

## Question 313: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0013`; number: 313
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0013/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0013/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0013.json)

## Question 314: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0014`; number: 314
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0014/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0014/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0014.json)

## Question 315: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0015`; number: 315
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0015/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0015/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0015.json)

## Question 316: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0016`; number: 316
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0016/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0016/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0016.json)

## Question 317: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0017`; number: 317
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0017/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0017/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0017.json)

## Question 318: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0018`; number: 318
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0018/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0018/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0018.json)

## Question 319: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0019`; number: 319
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0019/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0019/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0019.json)

## Question 320: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0020`; number: 320
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0020/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0020/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0020.json)

## Question 321: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0021`; number: 321
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0021/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0021/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0021.json)

## Question 322: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0022`; number: 322
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0022/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0022/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0022.json)

## Question 323: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0023`; number: 323
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0023/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0023/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0023.json)

## Question 324: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0024`; number: 324
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0024/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0024/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0024.json)

## Question 325: Cross-Multiplication Check of a Rational Solution

- ID: `q-20260927-linear-equation-solution-verification-0025`; number: 325
- Processing: second_context_reviewed
- MKO: [mko-linear-equation](/en/mko/mko-linear-equation/)
- Family: [qf-linear-equation-solution-verification](/en/explore/?family=qf-linear-equation-solution-verification)
- Batch: [batch-20260927-linear-equation-foundations](/en/explore/?batch=batch-20260927-linear-equation-foundations)
- [Derivation](/en/questions/q-20260927-linear-equation-solution-verification-0025/) / [Markdown](/en/questions/q-20260927-linear-equation-solution-verification-0025/index.md) / [JSON](/data/question-derivations/questions/q-20260927-linear-equation-solution-verification-0025.json)

