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English Senior High

分かんなくてずっと悩んでます🥲 解答分かる方教えて下さい

まとめの章 1 次の各組の文がほぼ同じ内容を表すように, (1) That's the store. I bought my jogging shoes there. That's the store I bought my jogging shoes. (2) Let me do that immediately, or you will be in big trouble. Unless (6) (7) (3) He was driving the truck loaded with peaches. He was driving the truck (4) We ran away when we saw the monster. We ran away at I believe that this is the best plan possible. (5) I believe this We are sure of her satisfaction. We are sure she He admitted his guilt. He admitted that STEP 2 (9) に適切な語を入れなさい。 (11) was He regrets that he didn't work harder when young. (8) 1. He regrets (12) 〈 福島大改〉 me do that immediately, you will be in big trouble. 118 loaded with peaches. the monster. the best plan possible. to say, the rice crop in this area depends on the weather in August. Whenever I see the photograph, I remember my happy days in Scotland. (**) I never see the photograph (10) thinking of my happy days in Scotland. 〈城西大〉 worked harder when young. It goes without saying that the rice crop in this area depends on the weather in August. The student was so kind that he showed me how to get to the library. The student was kind 2 次の各文の下線部を節に書きかえなさい。 (1) He didn't expect her to finish her lesson so soon. He didn't expect (2) There can be no doubt of his being the best man for the position. There can be no doubt to show me how to get to the library. Recent pressure at work may be why he behaves in such a way. (**) Recent pressure at work may 4. for his behavior. (3) He was the first person to build a hotel in that area. He was the first person (4) People living in a big city don't know the pleasure of the country. People (5) You should be careful in crossing the road. You should be careful don't know the pleasure of the country.

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Mathematics Senior High

(2)のA→P'→P→Bの式の意味が分かりません

重要 例題 50 平面上の点の移動と反復試行 右の図のように, 東西に4本, 南北に4本の道路が ある。地点Aから出発した人が最短の道順を通って 地点Bへ向かう。 このとき,途中で地点Pを通る確 率を求めよ。 ただし,各交差点で,東に行くか, 北 に行くかは等確率とし,一方しか行けないときは確 率1でその方向に行くものとする。 CHART & THINKING 求める確率を A→P→Bの経路の総数 A→Bの経路の総数 から, 4C3x1 6C3 この理由を考えてみよう。 は、どの最短の道順も同様に確からしい場合の確率で,本問 は道順によって確率が異なるから, A→Bの経路は同様に 確からしくない。 例えば, A→→→P11B の確率は 1/2/×/×/×/×1×1=1/6 P RACTICE 50 ③ 解答 A-CATE 右の図のように,地点 C, C', P'をとる。 ATA Pを通る道順には次の2つの場合があり,これらは互いに 排反である。 [1] 道順A→C→C→P→B この確率は 1/2×1/1/2×1/1×1×1×1=1 [2] 道順A→P′'′→P→B この確率は C (12) (12)×1/2/1×1×1=1/36 よって、求める確率は 1/3+1/6=1/16 5 8 A とするのは誤り! 00000 A→→→1P11B の確率は 12/1×1/1/2×1/2×1×1×1=1/3 8 よって, P を通る道順を, 通る点で分けたらよいことがわかるが,どの点をとればよいだろ うか? A B 基本 P B A C CPは1通りの道順であ ることに注意 [1] 進む → [2] ○○○↑↑進む ○には2個とT1個 が入る。

Resolved Answers: 1
Mathematics Senior High

基本問題の例題(2)がしょうなりいじょう7になってるけど practice33の(2)は<21になってるんですけどどういう意味で違うんですか?教えて欲しいです。

PR ③33 (1) 不等式x+1/18/1/2x-12/2 を満たす正の奇数xをすべて求めよ。 6 3 (2) 不等式 5(x-a)-2(x-3) を満たす最大の整数が2であるとき,定数aの値の範囲を求 めよ。 (11/03/12/12/28 x一 6 x+ 整理して -4x>-28 よって x <7 これを満たす正の奇数xは 1,35 6x+1>10x-27 (2) 5(x-a)s-2(x-3) 5 xs- ① を満たす最大の整数が2となるのは 5a+6 25 43 74 のときである。 ゆえに 14≦5a+6<21 よって CHART & THINKING 1次不等式の整数解 数直線を利用 まずは、与えられた不等式を解く。 (1) 2桁の自然数x≧10 5a +6 7 解答 (1) 6x+8(6-x) > 7 から 41 x < -=20.5 ゆえに Sa+6 3 7 ①を満たす最大の整数 xは2桁の自然数であるから 10≤x≤20 求める自然数の個数は 567X のときである。 ゆえに 1 <2a≦2 よって 12/2<as1 +86-x) を満たす2桁の自然数xの個数を求めよ。 基本 29.32 (2) 不等式 5(x-1)<2(2x+α) を満たすxのうちで, 最大の整数が6であ るとき,定数aの値の範囲を求めよ。 x の整数が6となるのはAがどのような値の範囲にあるかを 考えよう。 は x<A を満たすが,x=7 は x=6 x<A を満たさないことが条件となる。 -2x>-41 両辺に6を掛けて分母 を払う。 10 11 範囲を 10≦x≦n の形に表す。 この不等式を満たす整数の個数は? 2桁 7は含まれない。 SC ◆展開して整理。 (2) 不等式の解は x<A の形となる。 数直線上でAの値を変化させ, x <A を 20-10+1=11(個) (2) 5(x-1)<2(2x+α) から x2a +5 / ••・・・ ① ①を満たすxのうちで最大の整数が6となるのは 114 6<2a+57 2< これと不等式の解を合わせて、条件を満たす整数xの他の 20 41 2 5a +6 7 25+6 3 などとし 7 ないように等号の有無に 注意する。 -<3 とか 21 x 2a+5 7 ①を満たす最大の整数 x を満たす最大 A ◆展開して整理。 不等号の向きが変わる。 ◆解の吟味。 ◆展開して整理。 6<2a+5<7 とか 6≦2a+57 などとし ないように。 等号の有 無に注意する。 a=1 のとき, 不等式

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English Senior High

答えないです。軽く根拠と答え教えていただきたいです。

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