中三理科のイオンのところがわかりません

この問題の答えは30になるんですけどなんでですか？解説お願い致します🙏

4。 (3) 4+b=4, ab=-7 のとき、a?+6? の値を求めなさい。 (ヒント:(a+b)?の展開式を利用

私は3a−3bで回答したんですけど、答えが9a−3bでなんでそうなるか教えて頂きたいです！

(5)(3a°-ab) -の a a 3 3 3 mml 3 abx3 =(3a-ab)× a (2)(3r =3a°× a a =9a-36 9a-36

中一 英語 写真の文章で、デビットが買った本について最も適切なのは漫画2冊と数学の本1冊で合ってますか？

From: David To: Naoki *Subject: Hi, Naoki. How are you? Are you *free *next Sunday? Today, I went to the *bookstore. And I *saw Mr. Nomura there. He is my math teacher. He #said to me, “Hello, David. What are you doing here?” I said, “I *bought two manga books. How about you?” Mr. Nomura said, “I bought some books about English. I *will *try to speak English.” He can't speak English them. He is *great. well now, but he studies it at home and he will use ア And he *recommended a book about math to me. I bought that book, too. I will use it and study math in the *1library on Sunday, .But I can't read Japanese. Can you help me? I will study math in the library in the morning. You like math, right? Please come to the library at ten. David

連立方程式 塾の宿題なのですが、答えが合いません。(12-1です) 途中式のどこで間違えているか分からないので、答えと間違えているところが分かる方、教えて下さると嬉しいです。

11 次の連立方程式を解け。 1) 0.12+0.2y=1.6 口(2) 0.03x-0.02y=0.01 0.1.z+0.15y=2 0.02y=0.03.c ソ=19-5c 0.5y=-x+10 12 次の連立方程式を解け。 (2+3y=9 5c+3y=45 D 0 口1) L- 口(2) 口(3) 4 3 1 2 +=2 3 2 5=1 2 2-2y=10 5 6 口(6) 2 3" 11 x+ 4 口(5) 1 32-リ=4 2 口(4) 3 3 1 49 2 4-5 S=f- 34

高校数学の一次不等式が早く計算出来ません。どうすればいいですか？

(3)と四角4の(1)と(2)教えて欲しいです( . .)"

(3) 彼はオーストラリアに住んでいると言われています。 os (Australia /lives / said /it/in/he/is/that). tis Said thet he lives in Australia ho 4)絵を見て,セリフを完成しなさい。 Which country do you want to visit? Yes,~ Hello. I want to visit New Zealand. English Spoken there? What (2) Yes,

答え教えて貰っていいですか？

E"CAN-D0" REVIEW hhm.i o Match the "can do" statement and the correct sentence. byoW c_ 1. I can ask about current activities. His car is old. a. ディリー 2. I can tell about my daily activities. b. Id like to introduce my father. °レションス ワケーショ 3. I can ask a person's location. What are you doing? C。 4. I can describe people. d. Hello. Is this Evelyn? 5. I can describe objects. e、 Where's your brother? 6.Ican describe the weather. 「f、He's my son. 7. I can call someone on the telephone. g. I'm washing my clothes. 8. I can identify my family members. h. It's sunny. 9. I can introduce people. i. She's very happy. j. He's short. 10. I can describe a person's emotions. 40b Activity Workbook

英語のスピーチ原稿です。分かりやすい単語か、おかしなところがないか添削お願いします🙇‍♀️🙏日本語がおかしいのは翻訳しやすくして書いたので、あまり気にしないでください。 ※30秒~~~1分のスピーチです。

Hello everyone. My springvacation memory is that I went to Asakusa with my friends. In Asakusa, I went to Sensoji Temple and eat around. At Sensoji Temple, I drew a Omikuzi. It was good. And, Eat around, I ate melon bread, mince cutlet, and ningyo-yaki. However, I ate a little too much. But it was a lot of fun. Please go if you like. Thank you for listening.

英語のスピーチ原稿です。分かりやすい単語で、おかしなところがないか添削お願いします🙇‍♀️🙏日本語がおかしいのは翻訳しやすくして書いたので、あまり気にしないでください。 ※30秒~~~1分のスピーチです。

Hello everyone. My springvacation memory is that I went to Asakusa with my friends. In Asakusa, I went to Sensoji Temple and eat around. At Sensoji Temple, I drew a Omikuzi. It was good. And, Eat around, I ate melon bread, mince cutlet, and ningyo-yaki. However, I ate a little too much. But it was a lot of fun. Please go if you like. Thank you for listening.