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English Senior High

高校2年生の英Ⅱです。 ①、②のDrillsの問題が解けません😢 解き方を教えて欲しいです…🙏🏻💦

① 前置詞と関係代名詞 KL1 1. There are rails for disabled people to hold, and there is a table on which a parent can change a baby's diaper. (p. 21, 1. 3) 2. It is important to create a society in which everyone has a chance to get enough education. 3. I went to see the movie (that) you spoke highly of. 4. I'll introduce to you some of the people (who/that) I've been working with. Drills Fill each blank with a suitable word. このびょういん 私はうまれた 1. This is the hospital (1 ) ( which ) I was born. 2. Who's the man our teacher is talking (about )? 3. The colorful blocks ( ) the children are playing are all made of wood. ). 4. Mr. Yamada is one of the teachers I learned a lot (of it KL2 1. Ms. Matsumori thinks it important to spread the idea of universal design. (p. 27, 1. 1) 2. This book is written for kids, but my six-year-old son found it difficult to read it. 3. I think it important to keep fit by taking exercise every day. 4. What made it difficult for you to finish the homework last night? Drills Put the words in the correct order. かのう Halon 1. This new computer (reduce / made /to / possible / it) my working hours. This new computer 2. My mother (it / found / prepare / to / difficult ) dinner in only twenty minutes. My mother 3. I (you/felt/to/ for / natural / it) refuse his offer.

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Mathematics Undergraduate

問題2.28の解き方が分かりません。元 はどうやって求めるのですか。

0 (2) (1) ¹ sgn(o) sgn(¹) = sgn(e) : よって sgn (7) = ±1 のとき sgn (™)=±1 (複号同順). 例 2.20. 置換o= 1 2 3 4 5 67 8 9 を互換の積に分解し, 偶置換か奇置換かを判定せよ。 7 6 8 21 4 93 5 (解答例). まず巡回置換の積に分解する。 1→7→9→5→1,26→4 → 2,3→8→3なので、 a = (38) (264) (1795) さらに互換に分解し, =(38) (24) (26) (15) (19) (17) よって sgn (r)=(-1)=1.つまり偶置換. 問題 2.27. 次の置換を互換の積に分解せよ。 また各々の置換の符号を求めよ。 (1) (1364) 1 2 3 4 5 6 7 (2) (1 2 5 3 4) (3) (2 4 6) (4) (5) 2 3 4 5 6 7 8 9 3 4 3 7 412 5 1 986572) n 文字の置換全体 (の集合) を Sm とかく. n 文字の置換 = (k 0= 1 2 www n k₁ k₂ は k1,..., km を決めれ ば一意的に定まるので, S, の元の個数はn個の順列の個数に等しく, n! である. 例えば3の場合, S3 = {e, (12), (13), (23) (123), (132) } の6(=3!) 個ある。 問題 2.28. ら の元をすべて求め, 偶置換と奇置換に分けよ.. 2.7 行列式 (テキスト 814) n個の置換を考える。 n次正方行列 A = (at) に対し、 第1行, 第2行,・・・ 第n 行の成分をそれぞれ異 なる列から1つずつとり、それらの積 41個(1) 2個 (2) ・One(n) をつくる、これに置換の符号sgn (o) をかけて和 But al 14 dot & toxx tt

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