[計量] 不懂怎麼算

看板GRE作者 (橘茵)時間16年前 (2009/10/13 22:47), 編輯推噓1(101)
留言2則, 1人參與, 最新討論串1/3 (看更多)
1. what is the least integer value of n such that 1/2n<0.01? (2n是2的n次方) 答案是7,可是如果是2的7次方,不就超過100了。 2.How many positive integers are both multiples of 4 and divisors of 64? 答案是5個 請問是4 8 16 32 64這五個嗎? 3.The area of a circular region having a radius of 1/4meter is x square meters. 答案是1/4>X 請問題目的意思和解法? 4.on a turntable, a record of radius 6 inches is rotating at the rate of 45 revolutions per minute. 答案 The number of inches traveled per minute by a point on the circumference of the record 大於 The number of inches traveled per minute by a point on the record 5 inches from the center of record 請問題目意思和解法? 先謝謝解題的人,大大感謝。 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.134.180.240

10/14 01:01, , 1F
第一題就是要超過100阿 不然怎麼小於0.01= =!
10/14 01:01, 1F

10/14 01:04, , 2F
阿~後面有人PO文解答
10/14 01:04, 2F
文章代碼(AID): #1Ar9Bm8p (GRE)
文章代碼(AID): #1Ar9Bm8p (GRE)