ばあいのかず

ばあいのかず【場合の数】

〔起こりうる結果の数〕 the number of (possible) outcomes; 〔仕方の数〕 the number of ways 《in which…》.

●MATHS に含まれる文字を並べかえるときの場合の数を求めなさい. In how many (different) ways can the letters in MATHS be arranged? | Find the number of arrangements which can be made by using the letters of the word MATHS.