百度试题 结果1 题目【题目】What is the probability that an integer in the set{1,2,3,.,100} is divisble by 2 and not divisible by 3?()A.16B.(33)/(100) C.1750D. 1/22E.(18)/(25) 相关知识点: 试题来源: 解析 【解析】C ...
百度试题 结果1 题目【题目】A four-digit number 681口 is divisible by 2. What ca 相关知识点: 试题来源: 解析 【解析】It can be 6810, 6812 ,6814, 6816or 6818.
A. It must be divisible by 6. B. It must be divisible by 4. C. It must be divisible by 5. D. It must be divisible by 7. 相关知识点: 试题来源: 解析 A。本题考查数学逻辑和条件表达。如果一个数能同时被 2 和 3 整除,那么这个数一定能被 6 整除。B 选项是能被 4 整除与题干条...
What is the probability that an integer in the set {1,2,3,…,100} is divisible by 2 and not divisible by 3?( )A.16B.33100C.1750D.12E.1825 答案 CThere are 100 integers in the set.Since every 2nd integer is divisible by 2, there are [1002]=50 integers divisible by 2 in ...
❌10÷3 = 2 ……4【余数不能大于除数】 Be divided by/ be divisible by A is divided by B,以及A is divisible by B都表示A÷B,只是divisible表示能够整除。 相反的表达是A divides B,此时是B÷A。 👉奇数和偶数 Odd and Even Integer ...
What is the smallest positive integer that is divisible by 1, 2, 3, 4, and 5( ).A.720B.360C.120D.60 答案 DSince 4 is already a multiple of 2, the 1 c.m. of 1, 2, 3, 4, 5 is 3×4×5=60.能被1,2,3,4,5整除的最小正整数是( ).A.720 B.360 C.120 D.60因为4...
Prove that n 2 n is divisible by 2 for all natural numbers n . Prove using mathematical induction. Indicate whether the proof uses weak induction or strong induction. Clearly state the inductive hypothesis. Provide a justification at each step of ...
8、st positive integer that is divisible by each of the integers 1 through 7,inclusive?(A) 420 (B) 840 (C) 1,260 (D) 2,520 (E) 5,0406. decimals & fractions 小数和分数*相关词汇:reaccuring decimal ; terminating decimal ; numerator ;denominator ; improper fracion ; mixed number*整数...
What is a proper divisor? Divisors of a Number: In mathematics, a divisor of a number, x, is a number, y, such that if we divide x by y, we get an integer. A number can have several divisors, and there are different types of divisors of a number. One such type is called a ...
题目A number is between 10 and 20. It is divisible by 3. What is the number? A. 12 B. 14 C. 16 D. 18 相关知识点: 试题来源: 解析 D。解析:在 10 到 20 之间能被 3 整除的数只有 12、15、18,选项中只有 18 符合。选项 A、B、C 不符合这个条件。