※ 引述《careless (ling)》之銘言： : 1. In the figure above, the circle is inscribed in the square. : If the square has side of length 100, gheen the perimeter of the square : is approximately how much greater than the circumference of the circle. : (A) 9,686 : (B) 2,150 : (C) 243 : (D) 100 : (E) 86 : 答案是(E) square的周長=400 circle的周長=100(直徑)*拍(我不知道怎麼打這個字....) 拍=3.14 所以circle的周長=314 400-314=86 : 2. Each of the following numbers has two digits blotted out. : Which of the numbers could be the number of hours in x days, : where x is an interger? : (A) 25_,_06 : (B) 50_,_26 : (C) 56_,_02 : (D) 62_,_50 : (E) 65_,_20 : 答案是(E) 這題是用4的倍數來檢驗最後兩位數而得的嗎? 我是這樣想的.....不知道有沒有其他方法?! : 3. A manufacture packages soap powder in containers of three different : sizes. The amount of soap powder in a full large container could fill : exactly 3 of the medium containers or exactly 5 of the small containers. : If an equal number of small an large containers would fill 90 medium : containers, how many small containers will be filled? : 答案是 (A) 25 : 謝謝~ 有L M S這3個size 根據題意1L=3M=5S 90M=xS+xL 因為S跟L為equal number 所以假設為各x個 90M=0.6xM+3xM 則x=25 --

※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 218.166.237.47