⑶、”a”って入れなきゃだめですよね？

5、mokennew cote tenglues a 102190 9 dgund L istening

thatとwhatの使い分けが全然分からないです。どのように使い分ければいいのか詳しく教えて欲しいです🙇‍♂️

1. that か what を入れなさい。 (1) (7hat)my father didn't scold me was surprising to my mother. (2) (1/Mat) surprised me the most was ( hat ) he had started to eat my cake. (3) ( 1Mhat) we do in today's world will change tomorrow's world. (4) I never forget (WMat)watched on TV last night. (5) Yokohama is not ( /hat )it used to be ten years ago. (6)/Are)you/faware/of Ane fact ( If thiat > nis Company was bankrupt?

なぜ、練習193⑵は違うのですか？教えて下さい！、

Date み30 s0 4(1,3)×2 6 C1,5)(2.4)と 2 & C、72(2.6)[3,5>×2 (0 C1.4) (2.8) (3.7) C4.6) x2 Lo 9^82 18 t14 x 2 f apm ham 9 をBとすると 和か情様にな分nta. 日18,AAB FI 作及なのひ PCAM8)+ PCAAB) 12(3.9)(4.8)(6.)x2 14 (5r4)(6.8)×> 16(7.9)x2 2 50 そ ニ are ○S-

左が問題、右が解答はです。(3)です。なぜ、赤線の中のようになるのか教えていただきたいです🙇‍♂️

222 中和の量的関係 次の問いに答えよ。ただし, H=1, C=12, O=16, Na=23, 気体の体積 はすべて標準状態(0℃, 1.013 × 105 Pa)における値とする。MO00H (1) 1.0mol/L塩酸 20mL をちょうど中和するのに, 水酸化ナトリウムは何g必要か。auo 0HaM(8) 0 (2) 0.50 mol/L 硫酸 300 mL をちょうど中和するのに, 水酸化ナトリウムは何g 必要か。 (3) 0.150 mol/L塩酸 20.0mL をちょうど中和するのに, 気体のアンモニアは何mL必要か。 1010 0 0SS (4) 0.200 mol/L 硫酸 10.0mLをちょうど中和するのに, 気体のアンモニアは何 mL必要か。 (5) シュウ酸の結晶 (COOH)2·2H206.3gを溶かした水溶液をちょうど中和する のに,0.20 mol/L水酸化ナトリウム水溶液は何 mL必要か。 Tom O1 0 シュウ酸の結晶

左の写真が問題で、左が解説です。 [1]の場合で、なぜ、n=2の場合のみだといけないのでしょうか。教えてください！！

250 2 は2以上の自然数とする。数学的帰納法を用いて,次のことを証明せよ。 x"+ y" はx+yと xyを用いた式で表される。

[1]のa＜a^2のときa^2-a＞0の意味がわかりません a-a^2＜0ではダメなのですか？ [3]も同様です

o 153 100 文字係数の2次不等式の解 TOr 要例題 次のxについての不等式を解け。ただし,aは定数とする。 x°-(a°+a)x+α'<0 重要102 <0 のとき 基本 30,85,86 lOLUTION inf. 参照。 HART 係数に文字を含む2次不等式 場合分けに注意 左辺は,たすき掛けにより因数分解できて (x-a)(x-a")<0 α<B のとき(x-α)(x-B)<0→ehamB (*)場合 ここでは α, Bがともにaの式で表されるから, a と α" との大小関係で場合が分 かれる。…… 式の痛 >0 る。 3章 答 等式から たがって 0 a<a° のとき -a>0 から よって このとき,①の解は D 合たすき掛け x-(a°+a)x+α's0 の 11 Xa→-a 1 a? a(a-1)>0 0 a<0, 1<a aSxSa° 0 2] a=a° のとき *共通範 -a=0 から についてよって a(a-1)=0 a=0, 1 のはx<0 となり のは(x-1)°S0 となり -aの値をのに代入。 a=0 のとき 不等式 f) a=1 のとき → y=fdl, リ=g(x) の」a>a? のとき inf. x=0 (x-a)<0 を満たす解 はx=a のみ。 x=1 側にあるx a-a<0 から a(a-1)<0 0SxS0 は x=0, 1Sx<1 は x=1 を表すから,解は 0SaS1 のとき a°SxSa よって 0<a<1 このとき, O の解は a'<xSa a°<xSa 0<a<1 のとき a=0 のとき a=1 のとき a<0, 1<a のとき 以上から ーxー2x=2- x=0 a<0, 1<a のとき a<xSa x=1 ー+2x= ォー1)(x-) くょく2が 育さない。 aSxSa° と書いてもよい。 (01-)3 PRACTICE … 100° 次のxについての不等式を解け。 ただし, aは定数とする。 101

Cについてです。この場合、亜マンガン酸は酸化剤として働いていますか？

(A) MnSO4+2 NaOH → Mn (OH)2+ Na2SO4 SD (B) 2 Mn(OH)2+02→ 2 H2Mn03 (C) HaMn03 +2 KI+2 H2S04→ MnSO4+K2S04+3 H20+I2

英語に自信がある人回答づくりお願いします！ ※書き込みは気にしないでください。

第2間 次の金会話文を読んで、 股設間に答えなさい。 Miranda: Are you enjoying yourself here in the States, Yuya, now that you've been here for a fow months? Yuya: Yes, I'm having a great time, Ite ( 1 ) how much of it is being in a foreiy Country and how much of it is just being in college, though, Miranda: Iguess I know ( 2 ), There's a lot more freedom iving away from home . don't have my mom and dad badgering me all the time about where P'm telling me to do my homework, either, Yuya: Exactly, olway/my/the /were / parents / same ], Miranda: I suppose that kind of thing has no borders, Do you find yourself ( 3 ).. all? Yuya: Not really, IfI were living alone, I might, But I have roommates and . been ealling or texting my parents once a week, ( 4 )I gues I don't feel tho isolated, Imiss Japanese food a bit but it'snot too bad, How about you'2 Miranda: Not one bit, I'm gl to/ to be / happy / my own/live / able ] life, Even thouoh I guess Iam still adjusting a little, It's tough having to fend for myself for fud I sometimes get so wrapped up in things that I( 5 ), and then I pay for it later Maybe I should have gotten the meal plan after all, Yuya: It's so expensive, though, And you'd still have to go to the dining hall, s01 don't ol solve / your/think/it/problem/would ], Maybe I'll just have to invite you out for lunch like this more often, Miranda: Who am I to say no to that? Yuya: OK, ola/away/ has/ that/and/ half] the best ice eream, 6 ) Do you want to get some dessert? I know a place about a block Miranda: You don't have to twist my arm, lo o A dnids nog o fal 00 fom yod ef'T IAl odhon dd o 3.

英語に自信がある人回答づくりお願いします！ ※書き込みは気にしないでください

第2間 次の金会話文を読んで、 股設間に答えなさい。 Miranda: Are you enjoying yourself here in the States, Yuya, now that you've been here for a fow months? Yuya: Yes, I'm having a great time, Ite ( 1 ) how much of it is being in a foreiy Country and how much of it is just being in college, though, Miranda: Iguess I know ( 2 ), There's a lot more freedom iving away from home . don't have my mom and dad badgering me all the time about where P'm telling me to do my homework, either, Yuya: Exactly, olway/my/the /were / parents / same ], Miranda: I suppose that kind of thing has no borders, Do you find yourself ( 3 ).. all? Yuya: Not really, IfI were living alone, I might, But I have roommates and . been ealling or texting my parents once a week, ( 4 )I gues I don't feel tho isolated, Imiss Japanese food a bit but it'snot too bad, How about you'2 Miranda: Not one bit, I'm gl to/ to be / happy / my own/live / able ] life, Even thouoh I guess Iam still adjusting a little, It's tough having to fend for myself for fud I sometimes get so wrapped up in things that I( 5 ), and then I pay for it later Maybe I should have gotten the meal plan after all, Yuya: It's so expensive, though, And you'd still have to go to the dining hall, s01 don't ol solve / your/think/it/problem/would ], Maybe I'll just have to invite you out for lunch like this more often, Miranda: Who am I to say no to that? Yuya: OK, ola/away/ has/ that/and/ half] the best ice eream, 6 ) Do you want to get some dessert? I know a place about a block Miranda: You don't have to twist my arm, lo o A dnids nog o fal 00 fom yod ef'T IAl odhon dd o 3.

英語に自信がある人回答づくりお願いします！ ※書き込みは気にしないでください。

第2間 次の金会話文を読んで、 股設間に答えなさい。 Miranda: Are you enjoying yourself here in the States, Yuya, now that you've been here for a fow months? Yuya: Yes, I'm having a great time, Ite ( 1 ) how much of it is being in a foreiy Country and how much of it is just being in college, though, Miranda: Iguess I know ( 2 ), There's a lot more freedom iving away from home . don't have my mom and dad badgering me all the time about where P'm telling me to do my homework, either, Yuya: Exactly, olway/my/the /were / parents / same ], Miranda: I suppose that kind of thing has no borders, Do you find yourself ( 3 ).. all? Yuya: Not really, IfI were living alone, I might, But I have roommates and . been ealling or texting my parents once a week, ( 4 )I gues I don't feel tho isolated, Imiss Japanese food a bit but it'snot too bad, How about you'2 Miranda: Not one bit, I'm gl to/ to be / happy / my own/live / able ] life, Even thouoh I guess Iam still adjusting a little, It's tough having to fend for myself for fud I sometimes get so wrapped up in things that I( 5 ), and then I pay for it later Maybe I should have gotten the meal plan after all, Yuya: It's so expensive, though, And you'd still have to go to the dining hall, s01 don't ol solve / your/think/it/problem/would ], Maybe I'll just have to invite you out for lunch like this more often, Miranda: Who am I to say no to that? Yuya: OK, ola/away/ has/ that/and/ half] the best ice eream, 6 ) Do you want to get some dessert? I know a place about a block Miranda: You don't have to twist my arm, lo o A dnids nog o fal 00 fom yod ef'T IAl odhon dd o 3.