求別的算法 解析看得不是很懂

第二個單元4 二元一次聯立方程式 7 (O)将某分數的分子與母同時加1,剛好可約分成整數)。若改据此分數的分子與 (x-1= 4(4-1) F3 Log 原执子 2.5 分母同時減1,則此分數可約分成整數4,則原分數化為小數是多少? ( 2 X-24=1 "-44-3 (C) 2.5 (D) 1.5 2Y = 4 y = 2 X=J

請問科學記號的指數都是整數（含0），那為什麼pH值有小數呢 ？謝謝

第8 9題為什麼是A丫

ADA 8. Li Po is one of the most famous poets in Chinese history. Many of his po- ems are still today. (A) remembered (B) remembering (C) to remember (D) remember 9. Taiwan is known to ALA) the world for its technology (F). (B) knowing to (C) known by (D) knowing by

不懂那個y=x為對稱軸的那題怎麼算 不太理解😅

坐標平面上點的線對稱 在坐標平面上,已知A點的坐標為(-4,5),請問: - mo sa to

求解

6.( )如圖,四邊形甲、乙、丙、丁的四避各自等是。請問下列哪一個敘述是正確的? [92.基 1 本學測二 內 N (A)甲與乙相似(B)甲與丙相似 (C)乙與丙相似(D)丙與丁相似

求解27.🙏🙏

11 all over the world. ing Love, Sam 26~28 Oliver: What are you reading, Katie? 少了数226 Katie: I'm reading some stories about amazing kids that Time magazine wrote. Their stories make me believe that kids can do anything. Oliver: That sounds cool. Can you tell me about them? Katie: Sure. This one is about Gitanjali Rao, and she is an amazing scientist. She uses the science and technology she learns at school to make the world a better place. She made an app to stop people from being bullied on the Internet, and now she is working on how to detect biological contaminants inside water so people in the third-world won't get sick from it. Oliver: She sounds really smart. What about this one, Tyler Gordon? Katie: Tyler is a student who is hard of hearing and speaks very slowly. He was bullied a lot at school, which made him too scared to say anything. That did not stop him from expressing himself! He is an amazing artist and likes to draw portraits. He has drawn portraits of many famous people, and his talent is plain for everyone to see. Oliver: Good for him! Katie: And look at this boy, Ian McKenna! He is good at gardening. He is using his talent to grow vegetables for the people in his city. That's an amazing thing to do. Oliver: Thank you for sharing these stories with me, Katie! I feel like I can do so much more. S Scientist 科學家 bully 霸凌 detect 偵測 biological contaminant 生物污染 portrait le talent the 0)26. What can we know from the dialogue? 摘取 (A) Different people have different talents. 大意 Am (B) Famous people believe in themselves. (C) Kids are too young to change the world. (D) We become amazing by sharing stories with others. A 127. Which is NOT true? 指出 (A) Ian McKenna has a green thumb. (B) Oliver believes he can do more. 細節 (C) Gitanjali Rao is good at science. (D) Tyler Gordon is a bully at school. D

「君問歸期未有期，巴山夜雨漲秋池。 何當共剪西窗燭，卻話巴山夜雨時。」 想問這幾句是藉景抒情嗎？

老師寫的都看不懂～🆘

2. 如下圖,老師在黑板上寫了一個等差級數,其總和為 S,其中某些項被老師用粉筆將之塗白遮蓋。已知每 一處遮蓋的部分都不超過6項,則此等差級數的和S 為何? S=3+ +18+ +27+1 +33 【解】 -----

求解非選第二小題

三、非選擇題:每題6分,共12分 1. 南霸 集團大樓的牆面裝設有公司LOGO 的電虫工燈及一個電子時鐘,於每天晚上 8點開始閃爍2小時。其中: 南 霸 08:26:45 25 紅色燈每亮 15 秒鐘後閃爍10秒鐘; 黃色燈每亮 12 秒鐘後閃爍6秒鐘; 藍色燈每亮 13 秒鐘後閃爍7秒鐘。 人归 62 (1) 當電子時鐘顯示 08:12:02 時,紅色霓虹燈的狀態為 (2分) 解: 12 min 25 = 7225 何? 一 1:15.30.44.60.9... 675,690.761.92015) 么 閃 (2) 阿親於晚間9:00 經過,駐足凝視此 LOGO,當鐘面 顯示 09:01:01,她會先看到哪一個顏色的燈閃爍 請完整寫出你的解題過程,並求出答案。 (4分) 解: Ihr Iminls= 366ls I BO 一。 13

左邊和右邊的第二小題，可以告訴我算式代表的意思嗎？

老師講解 精油 四則運算的應用 惠 5 學生演練 ( $250-543 B = 500-543 將機器人甲、乙放在數線的原點上,每按一 次按鈕,兩機器人就分別向右移動3個單位 或向左移動1個單位。設移動的過程中,兩 機器人不會互撞,請回答下列問題: (1)若按100 次按鈕後,機器人甲向右移動的 次數比機器人乙向右移動的次數多一次, 求此時機器人甲、乙相距多少個 單位長? (2) 若按100 次按鈕後,機器人甲、乙分別在 點 P( 140)、Q(-40)的位置上,求機 器人甲向右移動的次數比機器人乙向右移 動的次數多幾次? 夏樹將十張紙卡排放在桌上,每張紙卡的正、 反面各有一個數,正、反面的數之和都是6, 且每張紙卡正面的數只有2或8兩種。請回 答下列問題: (1)若夏樹將一張朝上那面的數為8的紙卡翻 面,求這十張紙卡朝上那面的數之和,翻 面後與原來的相差多少? (2) 若一開始紙卡朝上那面的數之和為36,夏 樹將所有朝上那面的數為8的紙卡翻面後, 使紙卡朝上那面的數之和變為6,求被夏 樹翻面的紙卡有多少張? Kife 2 員練 為數線上相 166/ pr 52 2x3=66/ / 中右移了-久,向左24log的反面是-2 七子多了212 美 =t)翻面後一层非一 26-24 = 22x3=67 7-2-8=-10 2x617- -2 (12) (6-36) + (-10) 16+(-2) 1 = 4 18 =-30 (10) (2) [140-(-40)] + 4 = 180=4 => () -14-66=80 = 1