参考の部分の解説がどうしても理解できません、AP=-X、PB=xっていうことですよね、なぜそうなるんでしょうか？また、こんなことを考える必要があるのでしょうか？

次の方程式を解け. (1)|x-1|=2 (2)|x+1|+|x-1|=4 精講 ① ② 絶対値記号の扱い方は11で学んだ考え方が大原則ですが,等式の場 合はポイントIの考え方が使えるならば, 場合分けが必要ない分だ けラクです . (1)(解I) 解答 |x-1|=2 は絶対値の性質より x-1=±2 よって, x=-1,3 (解Ⅱ) x-1 (x≧1) |-1|= だから, -(x-1) (x<1) i) x≧1 のとき ① は x-1=2 :.x=3 これは, x≧1 をみたす. i) x<1 のとき ①は-(x-1)=2 x=-1 これは, x < 1 をみたす. よって, x=-1,3 (2) i) <-1 のとき x+1<0, x-1 <0 だから ②は -(x+1)-(x-1)=4 絶対値の中身が 10 となるところ で場合分け はじめに仮定し たx≧1 をみた すかどうかのチ ェックを忘れな いこと -2x=4 ∴x=-2 これは,x<-1 をみたす. i) -1≦x≦1 のとき x+1≧0, x-1≦0 だから

求め方がわからないです💧

知 第3位まで求めなさい。 電卓を使って近似値を求める 教 p.45 問2) 2 電卓を使って,次の数の近似値を小数 (1) √8 (2)√13

WTOとはワルシャワ条約機構のことですか？

合ってるか見てほしいです💦

演習 ☐ 1. I ( ) to eat sushi these days. ①loves loving 3 love ④was loving 第1章 ( 熊本県立大 ) ☐ 2. Keiko is in the kitchen. She's ( Dis making ②making ) a pot of tea. ③makes (湘南工科大) ④make ☐ 3. Lisa called me while I ( ①ate ) dinner last night. was eating (東京経済大) ③would eat ④had eaten 4. Fruit in general ( ) sweet. ①is tasted is tasting 3 tastes (会津大) ④was tasting 5. I was very tired yesterday because I ( ) a long meeting. (会津大) Dam attending attending ③attended 4 ② was attended 6. Be careful, or you ( ①slip ) on the wet floor. (奥羽大) ③3 are going to slip will slip are slipping □ 7. I ( ) play in a big soccer match next weekend. Dam going to 2 am going ☐ 8. I (about/call/to/was) you. was call to about ( 熊本県立大) 3 am will ④will to (大阪経済大) ☐ 9. They ( ) for Paris tomorrow. I will leaving 2 are leave ③left (桜美林大) ①are leaving □10. 来年の今ごろ, うちの妹は快適な日々を過ごしているだろう。 語順整序 My sister (be /life/time/this/a/will/living/comfortable) next year. (杏林大) will be living a comfortable life this time ( 奈良学園大) hasn't wore 3 didn't wore @hasn't worn 11. Ryo bought a new suit but he ( ) it yet. didn't wear ☐ 12. Karl ( ) in London for five years when he was a child. ①lives has lived ③lived (神田外語大 ) has been living 5

合ってるか見てほしいです💦

4 第1章 時制 例題 2001 We sometimes ( Dare eating ) at Ken's Diner. eating ③eats ④eat 2002 Mike ( ) a video game in his room now. ①play plays ③is playing ④was playing 2003 These islands ( I belong ) Nagasaki Prefecture. ②belong to 3 are belonging are belonging to 004 My parents weren't in the living room when I ( ) home. ①come 2 came ③has come had come 005 By the end of this year, our new media center ( ) in Shinagawa. ③has opened will open ②will Dopened 2 open 006 The president ( ①is making @as ) a speech at the conference tomorrow. has made ③was making has been making 007 "May I speak to your father, please?" "I'm sorry but he ( ) his office." 3 has been to ④will go to ①goes to 2 has gone to Kate ( ) Japanese food several times before she came to Japan. ①had eaten 2008 Ipad 009 has been played 2 has eaten ③was eating William ( ) the violin since he was six years old. ④eats 3 is playing has been playing ④plays 010 A friend of mine said that his father ( ) a small supermarket in this town. 2011 Down ②is owning I'll lend you the CD when ( ). ①we'll meet we'll be meeting Owe'll ③owned ②we meet ④we met was owning

4番と5番の並べ替えがわかりません。回答よろしくお願いします

to him." Juoria ter without the game/advice / advice)." "Yes. We should be gratefu de agleis to teoo ripirt 4. “I don't have much leisure time. (more/ would / with / I / time,) read novels." game addi 5. I like her paintings very much; otherwise (would/I/have/ / one / not / bought). 13 ペアになって、次の質問を暴れ合いましょう 追加の明太」て会話を結けてトリ

ここの問題がI have never seen her since Monday.という解答でもあっていますか？？？

(4)月曜日から見かけてないわよ。 I haven't seen her since Monday. fooripa Bidl of he 語順 私は/ <持っていない〉 / 見かけた/彼女を / 月曜日から have not も◯ e 2013

下線部最後のassume they were forの文構造が分からないので教えて頂きたいです。よろしくお願いします。

15 Manipulatill of than tinkering* with the initial genetic blueprint. from new discover For with a true (4) > understanding of how human brains work will come one of what they un 哲学 are really for--and that is not necessarily what traditional philosophers, religious scholars, economists and other non-scientific intellectuals have assumed they were for. Pre-biological thinking has emphasised human uniqu

全て答えを教えてください！

4 日本語に合うように,( )内の語句を並べかえて英文を完成させなさい。 1) 彼らはその事実を知っているかもしれません。 (may / the fact/ they / know). AB 2) 父が,今ロンドンにいるはずがありません。 ( can't / in / my father/London/be) now. 3) あなたと一緒に行ってもいいですか。 (I/you/go/can/with)? 4) あなたの家族について尋ねてもよろしいですか。 (your family / you/may/ask/ about / I )? emoil is ad ipin

問2.1の証明が分かりません。 ※1枚目が質問内容、2枚目が仮定

問 2.1 例1 (b), (c) で R" に定義された各種の距離 dp : R" × R” → [0,∞) (p = 1,2,...,∞) において, R” の点列 πm:= (x(m),x(m),...,xmm))∈R(m= R" 2 1,2,･･･) が, 点æ= (π1, 2,...,πn) ∈R" に収束するためには,各k ∈ {1, 2,...,n} に対し (m) →πk (m→8) となることが必要十分であることを示せ.