請問為什麼紅筆劃記的地方，x=1代入分子，就會等於0呢？ 謝謝❤️

已知lim I<x 2 x² + ax + b x-1 3,求axb之值。 令x=1代入分子 Ht+a+b=d b=-a-1 I'm x²+axat=3 x→ 1 hr x71 XY (x+1)(x+1)+4(x-4). (X) 2+α=3 a=1 b=-2

1-1數列級數

5) 75/ air (1+r³) = 10 01×5=5 r = 2 3. 設1, x, y成等比,x,y),3成等差,則x+y之最大值為0 y=x² 3- y = y-y 37x=xy-3 y=(y-3) y=4y²-124+9 44-134 +9=0 15 L -44 92 by 3 -yx 1 y 3 339 13 du zb d -6

想問這題～為什麼不能寫成3× C2取1 ×1×6 / 6的三次減5的三次（我那時是想說第二個是偶數所以是3然後剩下兩個選一個是5另一個都可以／全部減都不出現5

重,則他視力不良的機率為 0役一顆公正的骰子3次,若至少出現1次5點的條件下,第二次出現偶數點的機率為 3 At CTTH Hebat PPF battle AILARE Aft/TH

想問

【中 10. 數列<an〉中,已知an=20,as=100,且當n≥3時,an為此數列前n項的算術平均數, 則az=_180 。 20 ait 7d = 100 1142 【明道高中】

想問基本權利和一般權利的差異

求解第七題為何用ing

S B Cute animal; she's also a symbol of hope for her endangered species. 6. A. truthful C. forgetful # B7. to DA A. to splash C. splashing 8. A. Similar with C. Aside from C9. A. bring an end to C. make the most of 10. A. wildlife A₁ C. privacy B. adorable 可愛的 D. portable 輕便的 B. splashed D. has splashed B. Instead of D. Thanks to 避難所 B. seek refuge in D. reduce the need for I 閱讀能力測驗:閱讀理解 B. border D. consumer H 18

求解第七題為何用ing

S B Cute animal; she's also a symbol of hope for her endangered species. 6. A. truthful C. forgetful # B7. to DA A. to splash C. splashing 8. A. Similar with C. Aside from C9. A. bring an end to C. make the most of 10. A. wildlife A₁ C. privacy B. adorable 可愛的 D. portable 輕便的 B. splashed D. has splashed B. Instead of D. Thanks to 避難所 B. seek refuge in D. reduce the need for I 閱讀能力測驗:閱讀理解 B. border D. consumer H 18

我想請問這兩題 謝謝

【8】 有一數列1,1,2,3,5,8,13,......,滿足an+2=an+antl 請推測, antl-anant2的值為下列何者? (A) 1 (B)-1(C)(-1)" (D)(-1)"+" (C)(-1)(D)(-1)+1 *n+1 04-1x1:3 9-2×1=7 【成功】 Ans: (C)

求解，謝謝！！

2. Grandpa fell asleep on the sofa with a newspaper_ (A) covered (B) to cover his face. (C) to be covered (D) covering

想問第四題（答案是F)，但為什麼have後面可以加原型動詞？

(A) however (F) come up with (R) issue (G) provide (C) rise above (H) geographical (D) installed (E) as a result () financial (()) at risk of Zhang Jiawan is a small village in southern China. With only one hundred residents*. 1., the children there have to go to another it is too small to have its own school. 2. makes this journey quite difficult. This is location. The village sits on top of a mountain, with steep cliffs village to attend school. One major Zhang Jiawan's a 3. dropping to the valley below on all sides. ladders down th 6 falli Village residents have 4. a unique solution. They've cliffs. But these ladders are extremely dangerous. Young students are hundreds of meters to their deaths from just one slip. Some villagers have asked local officials to 8. them with a road to drive do reaso from the village. Surely this would be a more proper way for the kids to get to school, 1 argued. the officials turned down their request. They cited* a 19. 'ould be cheaper to buy a helicopter for each student than to build a road to the villag In order to 10 this situation, the residents of Zhang Jiawan will have to th *tter solution. If not, their children may be hurt or killed. esident 居民 cite 舉出