Canonical URI: https://w3id.org/kmath/textbook_solution/donga_solution_body_p116_self_check
| rdf:type | math:TextbookSolution |
|---|---|
| rdfs:label | 동아 p116 확인하기 풀이 |
| rdfs:comment | 동아 공통수학1 본문 p116의 확인하기 풀이. |
| math:answerText | (1) \({}_5C_3=\frac{{}_5P_3}{3!}=\frac{5\times4\times3}{3\times2\times1}=10\) (2) \({}_8C_2=\frac{{}_8P_2}{2!}=\frac{8\times7}{2\times1}=28\) |
| math:mappingConfidence | 1.0 |
| math:pageStart | 116 |
| math:problem | textbook_problem:donga_vision_p116_self_check |
| math:reviewStatus | reviewed |
| math:solutionKind | answer_only |
| math:usesSolutionPattern | solution_pattern:permutation_combination_formula_substitution |