合同式を使った「証明」で、解説では表を使ってひとつひとつの項について丁寧に説明されているのですが、 2枚目のように一気に代入するような形で表すのは危険ですか？

496 演習 例題 123 合同式を利用した証明 (1) a,bは3で割り切れない整数とする。 このとき, d+α2b+64 は3で割り切れる ことを証明せよ。 200 1000円) 倉敷芸科大] 指針▷基本例題 117, 118 で似た問題を扱ったが,ここでは 合同式を利用して証明してみよう。 aが3で割り切れない整数とは,αを3で割った余りは1または2ということである ( 6 に ついても同じ)。 このことから,問題を合同式で表すと,次のようになる。 1997 「α=1 (mod 3) またはa=2 (mod3) b=1 (mod3) または 6≡2(mod 3) のとき である。 a+α²62+64=0 (mod3) であることを証明せよ。」 愛界に使える なお、証明では, 解答のように表を用いると簡明である。 【CHART 201 決まった数の割り算や 倍数に関係する問題 解答 a,bは3で割り切れない整数であるから, 3を法として [1] a=1, b=1 [2] a=1,b=2 の [3] a=2, b=1 [4] a=2, b=2 [1]~[4] の各場合について, α' +α'b' + b を計算すると,次の 表のようになる。 16 aª a262 [1] 14=1 12･12=1 64 1¹=1 a¹ + a²b² +64 3=0 よって いずれの場合も 合同式を利用すると簡明 [2] 14≡1 12･22=1 24≡1 3=0 [3] 24=1 22・12=1 22.22=1 14≡1 24=1 3=0 3=0 a+a²b²+b=0 (mod 3) (8 [4] 24=1 したがって, a4 + α'b' + 64 は3で割り切れる。 p.492 基本事項 ③ (SI bom) 式が煩雑になるので,O (mod3) は省略した。 ただし, 下線のように最初 に断っておくこと｡ (e bo bor Wa bod) 124=16=1 (mod 3) 2²=4=1 (mod 3) 「 BJ FODOS (1) |A=B (mod m), C(C=D (mod m) s (N) ならば A+C=B+D (mod m)

長期休暇の過ごし方について英語でレポートを書くのですが条件の文の意味がわかりません。 •Find accommodation that is affordable/within close proximity for 2 night.

FLEX2 レッスン3 教科書のcompressionが分からなさすぎてヘルプです

Choose the appropriate answer. hartan art ell 1. It became more important for people to get salt a. when Roman soldiers were given money to buy it b. when people started to hunt animals for food c. when people ate less meat and began to eat more grains and wheat 3. The influences of salt can be seen a. in modern cultures b. not in languages but in customs and religions c. more in languages than in customs or religions boyasdo 2. What ancient people discovered was a. that salt could stop droughts and help people survive a lack of food b. that salt helps bacteria grow foods c. that salt keeps foods from going bad 4 4. Thanks to some discoveries by scientists, a. people have changed how they produce salt b. people have begun to use salt in new ways edme c. people have found that salt has always had an influence on many cultures Salt is 1 dor d blues 2 Fill in each blank with the most appropriate word to complete the summary. EXTER Jika ODOY velg avs ) for our lives and we cannot live without it. In ancient times, as people be eat more food which were low in salt, they needed a lot more salt to survive. Eventually it bec 2 3 ) trade item. Also, salt was used to ) famines and travel to ) food. Because of this, people 5 ancient people, has also 6 ) places. Salt, which was very importa modern cultures. Some used, and its influence can also be found in some ) related to salt an 8 ). One important scie 9 ) enabled people to produce new things. Salt is now a common item, but it has had ) on the world. 10 7 affected / available / decrease / discovery distant expressions impact / precious / preserve / religions essential survive

この問題が分からないので教えていただきたいです

問2 次の各組の文がほぼ同じ意味になるように,空所に適語を入れなさい。 1. I called on him at five. He did his homework after that. bloos you smile is dinom B doggy When I called on him at five, he (.dbbd2 mi) not (aroline) his homework.g of yw B 2. Tom got the new job. I don't know what his older job was. Soonhus och wolad ust 02 madi 01 I don't know what Tom (I wob avi) () side ed o) (niet) anw) before he got the new job. 3. He said to me, "I have already watched the video."exsud" a norlw deles? of og of bermal He told me that he ( ) ( ) (and) the video. ni zojuque bre djem und oht 101 guishow jponner aid gained 4. We missed the last train by a minute. The last train ( ) just ( B ) the station a minute () of asw.) we 21 i moda2 nijalgosa adi arrived. inn blygs varu oa ‚ybbum bus

文章を読み200字以内の日本語で要約して欲しいです

Ⅰ 以下の英語の文章を200字以内の日本語で要約しなさい。 ad a We often forget that an important part of "scientific" knowledge was built on the study of alchemy and other magical practices Alchemists were interested in changing certain metals into more valuable ones For example they tried to change lead into gold, However, they also wanted to produce medicines (that would allow people to live forever or cure any disease. The philosopher's stone is known to us today from the Harry Potter series of To novels and movies This magical stone was believed to have enormous powers and make you capable of doing and knowing pretty much everything. 可能にする *John Dee was an alchemist (who was particularly interested in the problem <of foretelling the future from the positions of the stars and other planets He was also an expert in ordinary mathematics and navigation, One of his most * ふつう fell important projects involyed, research (on a universal language (for 巻き込む communicating with angels!Dee was extremely successful He made a lot of money/had (extremely high status (in universities and government, and owned one of the best libraries in Europe/much of it dedicated to magic. 捧げる However towards the end of the sixteenth century/ideas about magic were changing. Many Christians in England were unhappy(that people were still キリスト教入 communicating with the spirit world which was one of the goals of sixteenth century magicians, As you know Japanese people welcome the spirits of ancestors into the house during the Bon festival European Christians were not happy (about that kind of thing, and they complained (about similar European festivals like Halloween) At the same time, many Christians were afraid that alchemists might be trying to steal God's power. As a result, there was a powerful movement to shut down magic once and for all. 禁止する ALE V n You may be familiar with the Japanese manga and anime series *Fullmetal 45% a Alchemist./The story takes place (in a fictional world in which alchemy continues to function as a normal part of scientific knowledge For example> the heroes (of the series are searching for the philosopher's stone,/and alchemists carry out important work(on behalf of the government/If our 利益 modern world had developed (in the same way as the world of Fullmetal Alchemist people like John Dee would probably have continued to do well. In fact, he lost his jobs and money and died in poverty. 1

大問1の回答を教えて欲しいです、解き方でも構いません

=) poł O Bi ① 次の群GとHCGに対し、「H はGの部分群ではない」 「H はG の部分群だが、 正規部分群ではな い」 「H はGの正規部分群である」 のいずれであるか, 検証せよ. (1) G=R^(=R\{0}), H=Q^(=Q\{0}) (2) GS3 三次対称群, H (12) 代数学Ⅱ レポート問題 (期末) ② 三次対称群 Sy においてH= ((123)) とするとき, Hによる S の左剰余類をすべて求めよ。 群Gの元を次のように与えるとき, a の位数 o(a) を求めよ. (1)a=-1∈R* (=R\{0}) (2) a= (1 2) (34) € S₁ (3)a= (1234) ∈S4 4 次の写像が準同型写像であるかどうか検証せよ。 (1) jRCx, f(x)=√-T*( (Vr € R) (2) f:R→C.f(x)=V-Ⅰ (VIER) 5⑤ 次の連立合同式を満たす最小の自然数を求めよ。 J=2 (mod4) r = 3 (mod 5) (1) 6 550 13で割った余りを求めよ. # (2) [r=2 (mod 5) z = 3 (mod 7) 7 それぞれ n を次のように定めるとき, 位数 n のアーベル群を分類せよ. (1) n-64 (2) p-108 hulu NEC (2)-600 リンク 25℃ くもり時々晴れ

合同式を使った際の記述の仕方はこんな感じでいいのでしょうか

例題117 modiatra- neonkz h² + 2h ² = 0 + 0 = 0 n=lacz p² + 2h² =1+2 = 3 = 0 h = 2027 4², +22²² = 16 + 8 = 243 0 t₂ ² h² x 2h² = 0 (mod 3/ したがってんこんはその倍数 r

写真の合同式についてなのですが、なぜ、 11÷4の余りである3を写真のように3x≡1(mod4)と変形できるのですか？

問題 次の方程式の整数解を求めよ。 (1) 11x + 4y = 1 (2) 35x +48y = 3 [1X=1| (mod 4) √3x21 (mod 4) (3) 101x + 1001y = 11

この問題の解き方が分かりません

(1) 24x+19y=1 *(3) 43x+18y=5 ✓ 295 (1) 7 で割ると2余り, 9で割ると7余るような自然数nを, 63で割った ときの余りを求めよ。 *(2) 46x-35y=1 (4) 56x-73y=5 1.1 5 297 298

【大至急お願いします！】 代数学の問題です！ どの問題も分からず困っています。。 正直、問題の意味も分かっていない状態です。。 ヒントだけでもいいので教えて欲しいです！！

2.pを素数とし,Fp := Z/pZ とおく (F, が体であることを証明抜きに認めてよい).a∈Z に対し, a +pZ∈F をaと略記する.またżを虚数単位とする. (a) Z[i]/pZ[i] = Fp[X]/(X2 + 1)F, [X] であることを証明せよ. (b) p = 3 (mod 4) なら X2 + 1 ∈ F, [X] は F, 上既約であることを証明せよ. (c) p = 3 (mod 4) ならZ[i]/pZ[i] は体であることを証明せよ. (d) X2 + 1 ∈F[X] を因数分解せよ. (e) Z[i]/5Z[i] ≈ F5[X]/(X − 2)F5[X] ©F5[X]/(X+2)F5[X] ≈ F5 © F5 * #my£. (f) 5Z [i] はZ[i] の極大イデアルでないことを証明せよ.