동아 p112 확인하기 풀이

Canonical URI: https://w3id.org/kmath/textbook_solution/donga_solution_body_p112_self_check

rdf:typemath:TextbookSolution
rdfs:label동아 p112 확인하기 풀이
rdfs:comment동아 공통수학1 본문 p112의 확인하기 풀이.
math:answerText(1) \(3!=3\times 2\times 1=6\) (2) \({}_9P_3=\frac{9!}{6!}=9\times 8\times 7=504\)
math:mappingConfidence1.0
math:pageStart112
math:problemtextbook_problem:donga_vision_p112_self_check
math:reviewStatusreviewed
math:solutionKindanswer_only
math:usesSolutionPatternsolution_pattern:permutation_combination_formula_substitution