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Certification Undergraduate

至急教えて欲しいです。独学で簿記しています。 この問題の赤枠のところがなぜこの数字になるのか分かりません。 解答にはやり方や計算過程とか載ってないので分かりません。 教えて欲しいです

問2 (10点) 10月中の商品Xの売買に関する 〈資料> にもとづいて、 商品有高帳を完成させなさい。 ただし、7日の返品は受入 高欄に記入し、締切りは不要である。 また、 商品有高帳の残高欄は受入直前の残高を再度記入しない方法で記帳する。 なお、当社では商品払出単価の計算は先入先出法により行っている <資料> 1日 前月繰越額 商品X ¥36,000 (200個 @¥180 ) 5日 仕入先東京商店より、 商品X500 個を@¥185 にて仕入れ、 代金は掛とした。 なお、 東京商店から仕入れ ある商品については、契約により引取運賃は生じない。 7日 5日に仕入れた商品のうち、 50個を品違いのため返品した。 12日 得意先横浜商店へ、 商品X300個を@¥270 で売上げ、 代金は掛とした。 16日 仕入先池袋商店より、 商品X400 個を@¥180 (購入代価) にて仕入れ、 代金は掛とした。 なお、引取運 賃¥1,600 は現金で支払った。 28日 得意先横浜商店へ、商品X450個を@¥265 で売上げ、 代金は掛とした。 先入先出法 商品有高帳 商品 X 受入 高 出 × 年 摘 要 数量 単価 金 額 数量 単価 高金 (数量単位 : 個 金額単位:円) 残 高 額 数量 単価 金額 10 115 前月繰越 200 180 36,000 5 仕 入 ( 500 (185) (92500) 7 仕入返品 (50 (180) (9,250 200 180 36,000 ¥500 (185) (92,500) 200 (180 (36,000) 450) 185 (83,250 12 売 上 (200 (180) (36,000 IL(100 16 仕 入 (400) 184) 73,600 28 売 上 (350 ( 185 ) 100 184 (185) (18,500 350 185) 64,750 400 184 73,6.00 64,750 (18,400 300184 55,200

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English Senior High

英語の長文です どこに文法表現があるか知りたいです! よろしくお願いします。

5 UNIT3 Reading Passage 10 15 20 20 25 30 Listening When important events are happening around the world, most people turn to traditional media sources, such as CNN and BBC,¹ for their news. However, during the invasion of Iraq by the United States and its allies in early 2003, a significant number of people followed the war from the point of view of an anonymous² Iraqi citizen who called himself "Salam Pax" (salam means "peace" in Arabic, and pax means "peace" in Latin). Salam Pax wrote a diary about everyday life in Baghdad during the war, and posted it on his web site. Pax's online diary was a kind of web site known as a "blog." Blogs, short for "web-logs," are online diaries usually kept by individuals, but sometimes they are written by companies and other groups of people. They are a rapidly growing type of web site on the Internet. There are estimated to be several hundred thousand blogs on the Internet, and with the popularity of other social media sites, the number of people writing online about their lives continues to grow. may find A blog differs from a traditional web site in several ways. Most importantly, it is updated much more regularly. Many blogs are updated every day, and some are updated several times a day. Also, most blogs use special software or web sites which are specifically aimed at bloggers, so you do not need to be a computer expert to create your own blog. This means that ordinary people who computers difficult to use can easily set up and start writing their own blog. In 2003, the Internet company AOL³ introduced their own blogging service, enabling its 35 million members to quickly and easily start blogging. There are many different kinds of blogs. The most popular type is an online diary of links, where the blog writer surfs the Internet and then posts links to sites or news articles that they find interesting, with a few comments about each one. Other types are personal diaries, where the writer talks about their life and feelings. Sometimes these blogs can be very personal. There is another kind of blogging, called "moblogging," short for "mobile blogging." Mobloggers use cell phones to take photo's, which are posted instantly to the Internet. When the content and images posted online involve news subjects, mobloggers become citizen journalists. In fact, the Korean web site OhMyNews was a well known source for articles from international citizen journalists. However, in 2010, OhMyNews stopped posting new articles. Instead, it is now a blog site where citizen journalists can choose what makes the headlines, or just share ideas about how regular people are changing the news world. Anyone who visits the web site of a big media company can clearly see how the idea of blogging has changed the reporting of news. Quite often, a list of reader comments follow news articles. It seems that the news is becoming less like a report or a lecture, and more like a conversation, where anyone can join in. CNN, BBC Cable News Network, British Broadcasting Corporation anonymous not named; unknown 3 AOL America Online

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Mathematics Senior High

付箋の部分の計算が分かりません。詳しく解説お願いします🙇‍♀️

例 が特別な数列になっていないか考えてみるとよい。 次の数列の一般項 α を求めよ. XL 1, 7, 17, 31, 49, 71, X(2) 2, 3, 5, 9, 17, 3390 考え方 等差数列や等比数列でないなど, 与えられた数列の規則がわかりにくいとき,各項の から {an} as, a2, a3, aA, a5, ......, an-1, an, 手順で行う (芋) {6} 61, b2, b3, b₁, 数列{bm} を {an} の階差数列という. 2 のとき, 1 n-1 a,=a,+(b,+b2+bs+………+=+20 解答 与えられた数列{a} の階差数列を {bm} とする. 1枚 右にあるカードから1 (1){a}:1, 7, 17, 31, 49,71,=b {bm} : 6, 10, 14, 18, 22, =b2 となり,数列{bm} は,初項6,公差4の等差数列になっ ているから,第ん項 b [k] は, bk=6+(k-1)・4=4k+2 したがって,n≧2 のとき www n-1 n-1 (スタート) an a+b=1+Σ(4k+2) k=1 k=1 =1+4•—(n−1)·n+2(n−1)=2n²−1 2 この式は,n=1 のとき, a1=2・1°-1=1 となり、 +an-ab an-a-Σb より注意! an=a+b k=1 n=1のときのチェ a=1 だから, n=1のときも成り立つクをする。 よって, an=2n²-1 SI (2){a}:2, 3, 5, 9, 17. {6}:1.2. 4. 8, 4,8 となり, 数列{6} は, 初項 1. 公比2の等比数列にな っているから、第ん項bk は, bk=1.2k-12-1 したがって, n≧2 のとき www n-1 12 an=a+bk=2+21=2+ k=1 k=1 2-1 よって、 =2"-'+1 1 この式は, n=1のとき, a=2+1=2 となり, は、a=2 だから, n=1のときも成り立つあり、結果は よって, an=2" '+1 Focus 注意! an=a+Σb k=1 等比数列の和 n=1のときのチ をする.

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