想知道每個選項要怎麼證明 答案BDE

答案:PP a>b>c1 案:(B) C>b (3.5) 51373.5 → T JB-√15-B-√ √ √13 +55 > JT6 JT < Jo √13-√3 <0.6 119-5.下列選項哪些是正確的? (B)若a,b皆為無理數且3a+26為有理數,則2a-36必為無理數 (C)若a,b為實數,且a+b3=0,則a=b=0 (D)若a為有理數、b為無理數,且a<b,則必存在有理數e,使得a<c<b (E)在數線上√2012 和V2011的距離比√2012 和√2013的距離大。 (A)若a 與a²是有理數,則a2012是有理數

想問第二小題！謝謝！

隨堂練習 1. 已知圓 C:(x-5)²+(y-7)2=9,試求: (213).00 已知圆C:(x-5)2+(y-7)2=9,試求:(24300x3圖,0 (1)若P(a,b)為圓C上一動點,則(a-2)²+(b-3)之最大值為 (2) 圓C上有12個點到原點(0,0)的距離恰為整數。 6 :3 ,最小值為一。 圓券(9)

想請問這3題（呃呃呃好像有點多 但是氣體的東西真的好抽象 請救救段考人🥺

5. 理想氣體方程式 1. 小奇好奇地觀察氣泡由水池底部大全小画 石小又 75 cmHg,則水池深度為何? 共融增為原來的1.5倍,水面上之氣壓為 2. 如右圖所示,將一粗細均勻、長度為40cm 的量筒,筒口朝下,鉛直壓入水 銀槽中。若大氣壓力為 76 cmHg,當量筒口距離筒外水銀面6.0 cm 時,量 筒內外水銀面的高度差為何? 40 cm 16cm 3. 小宇欲將保溫盒加熱,看到保溫盒上標示可耐壓1.5atm。若將保溫盒密封且不使保溫盒破裂,在1.0 270℃的環境條件下,最高可加熱至多少℃?

第四題請問為什麼是錯的

) 4.若A、B為兩事件,則P(A∩B)=P(A)P(B)。(3分) 令A射中之為言 B為 則A-B皆射中之P=14

請問AD為啥不行？

BP A B C D E 23. 001 答對率 35.25 春秋戰國是一個政治、社會劇烈變動的時代,宗法制度破壞、王權衰微、列國變法圖 強、厲行軍國主義並逐漸走向中央集權。在形成中央集權體制的過程中,如制定成文 法典,讓貴族與平民一同遵守;或將新征服與兼併的領土改設、縣由國家直接管理, 都成為必要的措施。下列何者也是邁向中央集權過程的重要措施? (A)尊王攘夷 00.00 眾建諸侯 00000 (B)編戶齊民能掌握地方資源,安定社会、穩定統治 (①) 土地國有 楚

請問這題怎麼解？ 答案是12

9 (2,3,0) 13元 Shop A B D 13. 坐標空間中一平行六面體,某一底面的其中三頂點為(-1,2,1),(-4,1,3),(2,0,-3),另一面之一頂點在xy平面上且與原點距 離為1。滿足前述條件之平行六面體中,有最大體積的平行六面體共 112個:

請問第四小題

類題3.設A、B為二事件,若已知P(A)= (1) P(Ā) (2) P(A∩B) ※ 【易】□ □ □ 21 5 " =- , P(B): 3 =1, P(AUB)= 2 , 5 4 試求 (3) P(AUB) 4) P(AUB) 【109,北一女中、109.師大附中、109.麗山高中、487.興大附 41 3 + 4-PLANB). 3/ PLAMB) = 1 P(A):1-3 wie 24 -P(ANB) 5 -1- [ P(A) - P(ANB) 12

請問20題D是錯在 shared garden 嗎

ABCD III. Reading Comprehension (25%) Hi Emily, How are you? Did you get your exam results yet? I have some good news-we finally moved into our new home! I'm so happy because I don't have to share a room with Nina anymore. It's great to have more privacy and Mom says I can decorate my room the way I like. My plan is to paint the walls yellow and hang up a big photograph of New York City, too (it's still my dream to travel there). I also got a new bed which is much bigger and more comfortable than my last one. Q16. C And guess what else? We have our own garden now. Dad's going to grow vegetables like zucchini and cabbage there. He says I can help him, but I'm not very interested in gardening. One good thing is that we're going to have a barbecue party in July! I hope you can come. You can stay with us for the whole weekend, if you're free. I'll let you know the exact date when my parents decide. Write me soon and tell me your news. Love, Cara 0 privacy 隱私 16. Who, most likely, is Nina? photograph H (A) Emily's mom. (B) Cara's mom. (C) Emily's sister. 17. What do we learn about the writer in the second paragraph? (A) Her parents already decorated the new house. (B) She doesn't want to help with painting the walls.ely) (C) She has wanted to visit New York City for some time. exact 確切的 (D) Cara's sister. (A) Three-bedroom house, close to train station. New kitchen and private garden. No pets, please. Studio apartment with balcony, perfect for a single person. Available from the start of July. CROS) stol 1 20/2651902) DOM 2'omy 60 supinu is ni botning SI in to zkow Inshoqmi ynos 916 2h de brucw zielu insionA prinico riqu D) Her old bed was more comfortable than her new one. C 18. Why does the writer say, "And guess what else?" at the start of the third paragraph? bns 239 ano (A) She felt surprised about something. (B) She is explaining how to do something. art (C) She will give another piece of information.do if (D) She doesn't know the answer to a question. 19. Which sentence is certainly true? iog prijesim 6 p16 2016 ALThe writer will cook some vegetables for her family. (B)The writer's parents don't allow friends to stay over.ad lliw (6) (The writer's mother has never grown tomatoes before. (D) The writer is not sure yet when the barbecue will happen. 20. Which is the advertisement for Cara's new home? am siz dvd bein 的力量 # hework b (B) One-bedroom house with beautiful private garden. Electricity and water bills are not included in the rent. (D) Four-bedroom apartment on second floor. Great for a family. Small balcony and shared garden. 212 Kaun.

想請問第二小題該如何求解？ 後面兩張是詳解，不過我第一小題跟它用不同方法而且看詳解沒有很懂

- btbc 20 -2b+b=0 -620 二负 2+bc20 1tbc 20 2726020 T2+bc20 bczo. 三、素養題 10.(1)坐標平面上●為原點. 已知點 P(3, 1), Q(-2, 4), 試求三角形 OPQ 的面積. (提示:P 到直線 OQ 的距離就是以直線 OQ 為底邊的高) (2)仿(1)作法, 已知點 P(a, b), Q(c, d), 試求三角形 OPQ 的面積. (提示:計算過程繁雜,要有耐心,但是結果會非常簡潔)y=ax+b (2117)

請問這題要怎麼解

20~22 為題組 +16+6 坐標平面上,若f(x)=-?+6,設點P(a,b)在y=f(x)上,當P 在 y=f(x)圖形上 移動時,每一個點 P(a,b)可對應一個點 Q(||,|b|),則全部Q點所形成的圖形為 y=g(x)。根據上述,試回答下列問題: 20. y=f(x)圖形上共有幾個P點,可以對應到y=g(x)圖形上的點 Q(5,19) ? (1)1 (2)2 (3)3 (4)4 1 6 1 3 1 3 1 2²/0 21-3 40 最 O (5)5