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英語 高校生

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4 □001 基本 002 基本 005 [基本] 基本 003 009 010 004 008 [基本] 次の英文の( )に入る最も適当な語(句)を1つずつ選び, 番号で答えなさい。 I had a fight with Jun and now we ( ) to each other. aren't speaking 3 aren't to speak Day 1 月 月 日 解答時間( 解答時間( 日 動詞と文のかたちに関する問題 ① The secretary told me that Mr. Jenkins ( 1 goes 3 have been 3 is finished 5 will have been finished ☐007 I would rather walk than ( 904 take 3 took I am not sure if she ( 1 go 3 will go The new building ( ) by the time you graduate in 2015. 1 finishes 2 has finished 4 will finish I'm sorry, sir, but smoking is not ( ℗ permitted 03 permitting 2 aren't spoken 4 weren't speaking 006 The time of day just after sunset and just before night ( is call 基本 2 called 3 is called had seen 2 had gone 4 is being ) to Sri Lanka for study after graduation. 2 visiting 4 will visit U3 saw ) a bus. ) in this building. 2 permission (4 permit Kevin is such a diligent student that he ( 1 must have received 03 don't need to receive ) out to lunch and wouldn't be back until two. 2 had taken 4 to take Jane was very pale. She looked as if she ( A: Are you going home to your family for the New Year's holiday? B: I wish I ( 1 can ). But I have to stay in the city and work. 2 could 3 go 4 will ) such a low grade. 2 should be able to receive 4 can't have received ) dusk. 4 call 2 is seeing 4 seen ) $ ( 分( ) a ghost. WILURES 04 NA BA sa aa 122103 /40) 点 /40) 点 E VIGO < 慶應義塾大 > <獨協大> <東京医科大〉 <関西学院大 > 〈 南山大〉 LIQ <熊本県立大〉 SAYA <京都女子大> <高知大) <学習院大 > 2018-ANSHROO HAABERSTAR (***) STAATENSESBEST ☐011 012 □013 基本 030 □014 ** 015 □017 ☐019 020 But for the actions of a brave firefighter, I () alive now.vil(sets inter hor 1 am stulbomuni 2 hadn't been qu woda 4 wouldn't be 3 will be bib @ <日本大〉 blooda □ 021 ( ) that dinner would be served at the conference, I would not have eaten sandwiches on the way. If British shovic and uplol nirmolof werbe Taking/her 300l 2 1 If I know 3 If I were to know 2 Had I known 4 Should I know The population of that country is (ows) that of our country.daun ( 1 as large as three times 2 as large three times as 3 as three times large as 4 three times as large as Vintage For my taste, this soup needs to be a bit() salty. 1 as 2 few 3 many 5 less 4 than I quit my job two months ago. It was the () mistake I've ever made.az badedant gnitiew, wade 2 impossible sold moloca en 3 probable/ had/ offer/ for / 4 worst eneroun / it), we could not have edi galybusdam es basqa bloode uoy deiland wo 016 io al I'm not sure how long ( ) to deliver this washing machine. og 25 gumal 1 do you take 2 for taking you si 3 does it taken asuiaud beaed-sm4 it will take om at malam commo レアはアフリカの4倍を超える量のダイヤモンドを I cannot believe it. He would be the (ore) man to take bribes.es) diamonds prooed in impossible bstinu sdi ni ylio 2 least moose alalaittoyob tsdW eso 3 hardest 4 last aduni wilgo va huraueano el a mairg lo mlbite 008 ghean jadi seluug oe al mus guiad □ 018 I realized that my family was in danger, and ( ). 1 so I was 〈上智大 > DED 2 so did I ④ so I did 3 so was I mi法政大 distine sdt at gaib wzĀJA that noite):8(**) I will work next Saturday (S) necessary.w 1 by Jis 2 if a l'abinow 3 soabam ) IIA (d) Tradisi 2 (a) ( <大阪教育大 > <玉川大〉 ASO < 桜美林大 > SOJEN VECTOIS003CTOXX E It was ( ) we found the antique silver spoons. 1 what in Paris 2 in Paris that 3 in Paris which Shi aslil noy of 4 Paris in where of bovom og bed 900 bio siti (esmit lossis svubli 18 ② 次の各組の英文の( ) に共通して入る最も適当な語を1つずつ選び, 番号で答えなさい。 (a) He ( ) have missed his train. (b) Business has been thriving in the past year. Long (l) it continue to do so! 1 should 2 shall 3 might 4 may TEO <甲南大 > TEO 〈上智大〉 Aviator 600 Level 5

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数学 高校生

この丸ついてるところの解説が意味不明です教えてください(><)

(a-26) の展開式で, a b の項の係数は る。また, (x2-22 ) の展開式で,xの項の係数は "[ XC る。 答 指針展開式の全体を書き出す必要はない。 求めたい項だけを取り出して考える。 (a+b)” の展開式の一般項は nCran-br まず、一般項を書き, 指数部分に注目しての値を求める。 (ウ)、(エ) 一般項は Cr(x2)=(-2/24) = Crx-12-27. (-2)" (a-26) の展開式の一般項は Cra" (-26)"=Cr(-2)'a'b' a b の項は r=1のときで, その係数は 6C1 (-2)=-12 ○また α264 d2b^ の項は r=4 のときで,その係数はなは 6C4(−2)^= 240 6 また、(+2 (x-22 ) の展開式の一般項は X $6+1480K-65 の項の係数は 264 DELO ■ 定数項は -=Cr(-2).x12-2 ここで,指数法則 a" ÷ a" = a "-" を利用すると x12-2r-r=x12-3r したがって,指数 12-3r に関し,問題の条件に合わせた方程式を作り,それを解く。 X12-2r xr (o+d+b) Cr(x²)-(-2)=Cr(-2)², x12-2r x" [Cr(-2).x12-2r-r =6C(-2)”. x12-37. ...... [京都産大] 0x90 (5+(6+p)}=(3+6+5)) x の項は, 12-3x=6よりr=2のときである。 その係数は ① から 6C2 (-2)=260 定数項は, 12-3r=0 よりr=4のときである。 したがって ①から 6C4(−2)*==240 エ LIEL ◄6C₁=6 x" O6C4-6C2=15, (−2)ª=16 rad: PROSETS ID +8+o であ であ 基本1 (*)の形のままで考える (ウ) の項は x12-2r -=x6 *CO (エ)定数項は ゆえに x12-2x.xr M よって 12-2r=6+r これを解いてr=2 12xとすると |12-2r=r これを解いて r=4

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