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數學 國中

求第六題解,謝謝各位🙏

89 99903 由空 於波動場 風 (B) 2 算式99903²+88805²+777072之值的十位數字為何?【1-1】 (A) 8 99903 +88805) 99903 (C) 6 (D) 1 吵:如 (C)第三象限 (D)第四象限 5.( 質為 身為 雄 強 子、 D a=5 b=-47 0+2+24 3X+4x+1與58-6x+6相減後為常數多項式,則在坐標平面上,P(a,b)應該在第幾象限?【1-2】 (A)第一象限 (B) 第二象限 )若a、O為兩頁數且怕空Z,則20+1之值可能為下列何者?【1-1】 (A) 392 (B40 2X2481600 1599 (C) 412 (D) 42² a-b=2 (a+b)²= a²+b² zab 3198 3200 38-21-15 )已知A為x的三次多項式,B為x的二次多項式,則A.2B² 為 x 的幾次多項式?【1-3】 (B)七次 (C)三次(D)四次 -2(9x²+4-12x)=-1844241-8 Q = x*x* = 2x7 2)計算多項式-2x(3x-2)²+3 除以3x-2後,所得商式與餘式兩者之和為何?【1-3】 AB 3C 333 (A)-6X+4x+3 (C) -2x+3 3-21-18+2404 (B) 6x+4x -6x+4x+3 18+12 (D) -6x-4x+3 1285 -6+4 (3x3+2²-3x×2×2 32/-18+248+3 =98+24-1210-21+3 ·18+12 12-8 9.( 71 17 10.(1 31 (A)899 (B) 900 )若是正整數,且 250-x 也是正整數,則x不可能是下列何者?【2-1】 (A) 54 0(A) (2937)×( 307 ) =a+b,若為正整數且0<b<1,則a=?【1.15 = -1843-8x+24x+3 12-8 (B)81 238 Tab 910 (C) 29 221 (-187247- (D) 25 225 30²-产 (C)879 (D) 880 :900-196 (1)44²+2x44x6+6°= 二、 填充題(每格3分,共39分)(答案須化簡,全對才給分) 1. 計算下列各式的值: 2500 (+24+6)2 。 =50²= 2500 ② 2400 961 899961 0.9号 250+2.0 0.8 0.7 17 ≥2504 74

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數學 國中

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(41~43) At some stores, people get stickers or stamps on a card when they spend money there. After they collect enough stickers or stamps, they can get gifts or buy things at low prices. Yesterday after I bought coffee; the clerk stamped on my cellphone. How cool it was! My first time! It looks like a stamp we used in the past, but there are many small dots at the bottom. You touch the screen of your cellphone to tell it what to do, and this is also the way smart stamps work. When people use a smart stamp, they hold the top part of the smart stamp. The small electrical charge from people's hands goes through it to the dots at the bottom. Then, the smart stamp tells your cellphone messages with them. The dots of different stores are in different patterns. no alla lil est sill lo busolos With smart stamps, stores don't have to make stickers or cards, and people don't have to keep those things. Stores can also collect some useful information. For example, how many people come and buy things or what is popular? Are there any other good things about smart stamps? Are there things people need to be careful with when they use them? We can know more after smart stamps become more common. sticker 貼紙 electrical charge 電荷 message訊息 pattern 圖案 ( ) 41 Which picture best shows how electrical charge moves when someone uses a smart stamp? (A) (B) (C) (D) MA ( ) 42 "Are there any other good things... become more common." What did the writer want to say? (A) Not everybody needs to use smart stamps. (B) Many people worry a lot when they use smart stamps. (C) Let's learn more after more people experience using smart stamps. (D) Stamps are not common, so people may think about giving them up. ( ) 43. In the reading, the writer mentioned: a. Why people use smart stamps. b. One new thing in the writer's life. c. How smart stamps work. In what order did the writer mention them? (A) abc. (C) cba. 『著作權,翻印必究 9-15 (B) ba→c. (D) b→ c→a. 三美 mention提及

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