🙏為什麼D選項是C8取3

C 式、多選題(占14分) 說明:第3題有5個選項,其中至少有一個是正確的選項,選出正確選項。各題之選項獨立判 定,所有選項均答對者,得14分;答錯1個選項者,得8.4分;答錯2個選項者,得 2.8分;所有選項均未作答或答錯多於2個選項者,該題以零分計算 (BC) 3 有6種不同的飲料倒入3個空杯中,飲料不可以混合,不得有空杯,則下列敘述哪些 正確? C'x31 (A)若杯子不同,各杯的飲料不同,則 共有120 種倒法 (B)若杯子不同,各杯的飲料可相同,則共有216 種倒法 (C)若杯子相同,各杯的飲料不同,則共有20種倒法 (D)若杯子相同,各杯的飲料可相同,則共有56種倒法 (E)若杯子相同,各杯的飲料可相同,則共有120 種倒法 E. o ABCnce 6 ppp F. 參、填充題(占66分) 說明:第A. 至F. 題,每題答對得11分,答錯不倒扣 在排成 到的20個空位中,選坐不相鄰的而 O

求算式

a 動 105 手做2 設a是一個二位正整數, 若是有限小數(不包含整數),則 1.a的個數有 個。 { 105 2.a的最大值為 o 答 25=50 ( (95 4.5x

圖一是題目 圖二是解答 我的問題是解答為什麼可以把x-3 倒過來變 3-x 但是卻不用變加減號 （不好意思沒有補習 現在是自學）

角不等式 學生 19 ) 設(x) = | x +1 | + |-3|,則。 (1) f(x)之最小值為何? | C4 Mys 。 o <CO (2)若f(x) = k無解,則k 之範圍為何? : - <S 20 solo : 解 con

求救算式~

10.1 间 | U HUA }安心院有 10 位內科習生、5位外科醫生,若依科別人数比例以分層健接抽樣进出6入組军出國考察,則出 考察團有提迹归国方式? (A)225 (B)1200 (C)2100 (D)5005 11(四)某班 40 位學生数学成绩的以上紧接次數分配表如下表,則平均成结為何? 3- 20 20 - 40 40-60 60 - 80 50 100

求算式

9.若甲班學生共36人,已知数学期末考成續的第3四分位數為85 分、四分位距為45分,且每人成 徒相異,則分数介於40分至85 分者有幾人? (A)16 (B)18 (C)19 (D)20 10.(一)下列四組數據,那一組的標準差最小? (A)3、6、9、12 (B)4、6、8、10 (C)1、4、7、10 (D)19、

請問第11和12 題要怎麼算❓

11. (-), AB=200, 2ACB=63, ZDCE=27°, 140-C = 5-41570-560 ZA-ZD=90°,AC: CD-5:4,tan27°=0.5, tan27 to JĀC = 700X0.7 LA Zoo =M) 則DE之長為 数学(第三章数值三角及其應用 1155 2.右圖二,半圓之直徑AB=10,BC=CD=6,求: B 元=|| DE=1/2x0.5=56 E LA - C (1) ZBDC的度數= (2) tan(ZBAE)之值 (3) 利用表(三),查出CBAE的度數為 (取最接近的整數值) 度。 200 6 ID=2 2 E ELD 63A/27。 AZ B B. ( 84. 台北]A D 10 56.4

求解第11題 不曉得這題是要用主動還是被動的？ 謝謝！

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急！！！ 求解11、12、13、15 感謝🙏🏻

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根本看不懂啦＼(￣▽￣;)／

Your report should follow these guidelines, although you may choose how you present it: How to Write a Mathematics Report In writing your report, remember that you are writing up a mathematical story and so, like all good stories, it will need a beginning, a middle and an end. More formally, the main components of this writing style are: Introduction, Formulating the Problem, Solving the problem, Discussion of Results, and Conclusion. We will now consider some of the detail in each of these aspects. Introduction This is the beginning of the story. Give a brief explanation of what the problem is about what the goals of the report are and what will be presented. Assume that your reader does not know what the problem is about or how to solve it. Formulating the problem Translate the situation into a maths problem. Explain how you will begin to solve the problem and break it into simpler stages. Discuss any assumptions made. What quantities are variables and which values are fixed? You may use sub-headings if they assist you. Solving the Problem Show any calculations and mathematical reasoning that you use. (Assume that your reader does not know much maths). Do not show the same types of calculations repetitively. Just give one or two examples of a calculation and then put the rest of the results in a table. Use diagrams or graphs if they assist you. Make general remarks about what you observe in your calculation results and, possibly, why. You may want to criticise your work and go on to improve it in the next section. Explain what you will do next and why. Discussion of Results - Evaluate and Verify Summarise your results if necessary and refer to your mathematical reasoning. Justify procedures used. Interpret your results. First, are they reasonable or does something not look right and need further investigation or checking? Is there a decision to be made? Here is where you should present the decision-making process. Evaluate the strengths and limitations of your solutions. Conclusion Summarise your findings. Refer to the problem outlined in the introduction. Make sure that you answer the question that was asked. Make recommendations. No new material should be presented here.

可以中文解說一下嗎？幫幫忙拜託

肝 人 / 由 ~ | 1 27/ You have two options for hoWw to spend the afternoon. You can etther go See a movie Wi your roommate or work as atutor for the Math Departmemt. From experience, you knoW that going to see amovie gives you $20 worth 9 enjoyment, anq With your stuwewt qiscount, ammove ficket only costs $12. If you spend the afternoon working as atmath tutor, you Wi gt ba SA5