题目【题目】Among the positive integers less than 100, each of whose digits is a prime number, one is selected at random. What is the probability that the selected number is prime?()A.8/(99) B.25C.9/(20) D.11/2 E.9/(16) 相关知识点: ...
, each of whose digits is a prime number, one is selected at random. What is the probability that the selected number is prime?( ) A.899 B.25 C.920 D.12 E.916 相关知识点: 试题来源: 解析 B 结果一 题目 Among the positive integers less than 100, each of whose digits is a prime...
How many positive integers less than 1,000,000 have the sum of their digits equal to 30? Use the set 0, 1, 2, 3 to create three-digit numbers. Determine the number for which the following conditions are satisfied: a- Even (How...
s printed on the middle line. The line above and below will be centered and will have 2 less *’s than the middle line. This reduction by 2 *’s for each line continues until a line with a single * is printed at the top and bottom of the figure. Return null if input is even ...
wherein K, M and N are positive integers. 2. The method according to claim 1, where said step of monitoring comprises the step of collecting status related information by polling via said NMS and one or more management information base (MIBs) located in said plurality of network devices. ...
Among the positive integers less than 100, each of whose digits is a prime number, one is selected at random. What is the probability that the selected number is prime?( )A.899B.25C.920D.12E.916 答案 B相关推荐 1Among the positive integers less than 100, each of whose digits is a ...
The cut-off mark is calculated as the third of the average of the 10 best marks in the exam, and therefore its value is usually less than 200. For future exams, changes have been announced in its calculation, and it will be 30% of the average of the 10% of the best exams. In ...
The continental shelf is narrow, with an average width of 5 km and an average depth of 100 m. The continental slope is very complex and has numerous canyons and collapses [26]. The Alborán Sea basin is divided into two “subbasins” by a submarine ridge that extends in a southwest-...
In addition, the current limited energy storage equipment in Europe also further widens the electricity demand gap. Therefore, the fluctuation of European electricity markets, especially the price of electricity, has now attracted social attention. The positive impact of fossil fuel prices as well as...