Re: [計量] 有些文字繁瑣的計量請教課為板友

看板GRE (GRE入學考試)作者slightblue (瘋了)時間15年前 (2010/08/31 21:13)推噓0(0推 0噓 1→)

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※ 引述《leobigpig (leobigpig)》之銘言： : 這邊有些文字繁瑣的計量數學,我時在不懂 : 這邊請教位味版友,題目有點多真的有點不好意思 : 題目如下: : In the rectangular coordinate system, if points (5,9), (X,1), and (4,5) : lie on the same line, what is the value of X? : Ans: x=3 : S=7^0+7^1+7^2+…+7^20 : Column A: The remainder when S id divided by 14 : Column B: 1 : Ans: C : 這題是不是要找各個的規律,但前兩項是小數,後幾項都可以整除? : A commuter drive to work 5 days a week. On the average, : the trip to work takes 1 hour and 10 minutes : and the trip home take 1 hour and 5 minutes. : If the commuter works 40 weeks a year, : the total commuting time for one year is equivalent to approximately : how many 8-hour working days? : Ans: 56 : 這邊我if 後就有點混亂了每周通勤五天每天共花 2h and 25min, 每年有40個禮拜要通勤試問: 總共通勤時間相當於多少個八小時上班日? : Carpeting costs $9 per square meter. : If there is an installation charge of $5 per room, : what is the total cost, including the installation charge, : of carpeting installed in 3 rectangular rooms, each 3 meters by 6 meters? : Ans: 501 有3個房間(每間3m x 6m)要裝潢, 每個房間裝潢費是5元, 木工則是要花每個平方公尺9元所以 3 x (3 x 6 ) x 9 + 3 x 5 = 501 : A candidate for public office allocated 1/3 of her campaign funds : for television appearances, 2/3 of the remainder for personal appearances, : and the balance for newspaper advertisements. : If the amount allocated for newspaper advertisements : was equally divided among 4 newspapers, what : fraction of her original campaign funds was allocated for each newspaper? : Ans: 1/18 : 不好意思,這題我完全看不懂候選人要編預算(總預算假設是G), 1/3用來電視宣傳,剩下來的2/3用來個人宣傳最後剩下來的用來報社宣傳, 假設最後用來報社宣傳的錢剛剛好可以分給4家報社試問: 每間報社拿到錢是總預算的多少? 先解釋這幾題主要還是先看懂題目, 計算都是一塊蛋糕 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 58.115.136.31