学年

質問の種類

数学 高校生

NAGOYAJOの8個の文字をすべて並べてできる順列の中で、同じ文字が隣り合わない順列は○○個ある。の○○の部分を求める問題がありました。答えには、8個の文字の順列の総数から①AAが隣り合ってOOが隣り合わない ②OOが隣り合ってAAが隣り合わない ③AAとOOがそれぞれ隣... 続きを読む

10 PR ( 【名城大) 30 個ある。 含む順列はロ個あり, 同じ文字が隣り合わない順列は (ア) AA, 00 をそれぞれ1個の文字とみなして, N, G, Y, J, AA, O0 の6個の文字を1列に並べる場合の数を求める さs (s+e+x) (S) と 6!=720(個) 日2つの A, 2つの0. 1つの N, 1つの G, 1つのY,1つのJ (イ) 8個の文字の順列の総数は 8! 一〇 SO 8·7·6·5·4·3 三 2!2! 2.1 の計8個。 =10080 (個) [1] AA の並びを含み, O0 の並びを含まないもの AA を1つの文字とみなし, N, G, Y, J, AAの5個の文 字を並べ,その間と両端の6か所から2か所を選んで O, 0を並べればよいから 処興 6-5 5!×。C2=120×- 2·1 コ分けるものの違いに注 意! =1800(個) [2] 00 の並びを含み,AAの並びを含まないもの 00 を1つの文字とみなし,[1] と同様に考えて 5!×。C2=1800(個) この問題では,2個の0 (区別のつかないもの) を間や両端に入れるから C2 一方,本冊 p.255 基本例 題12(2) は,女子3人 (区別のつくもの)を間 や両端に入れるから よって,求める個数は 10080-(720+1800×2)=5760 (個) linf] (イ)の [1] と [2] は, 例えば次のような並べ方がある。 お選の P3 COAOCOAO00

解決済み 回答数: 1
英語 高校生

下線部3の訳を教えてください

that although many will cry with yuu, IL i without envy; one who can say, "That was wonderful! You can do it ago: betto? and mean it, Nothing is more damaging to 。 るれ 5 even you want!" friendship than one person being wealthy or successful when the other isn't Even the closest of friendships (and marriages) often Cannot withstand the たえSaんく? strain of (,this difference, and collapse asa result. No wonder mányminor つかいす。 friendships break up for the same reáson. A person of good character and morals, of honor and humor, courage and - for there are few. One 0I conviction is a friend to be sought and treasured often hears, “If you have more good friends than you can count on one hand, consider yourself blessed." And I would add, “(2)Even if you have lost two fingers of that hand to an electric saw. 15 What makesa friendship last? Well, I don't know all the answers, but one thing I have noticed is that good friends usually have similar tastes. They generally like and dislike many of the same things. And good friends tend to have similar personalities, too of life such as honesty, sincerity, loyalty, and trustworthiness. More often 20 than not, birds of a feather do indeed flock together. I don't think it matters - especially in the fundamental values ballet. Many other things matter far more: confiding, relying, sharing, giving, getting, enjoying; a readiness to listen sympathetically; criticism, when it is useful; praise and encouragement. (3) With not many people on this 25 earth will you find this much in common. When you find (4) one, hang on to him, for a true friend is a rare treasure. 1 ま

解決済み 回答数: 1