6δ={positive whole numbers less than 19A- {odd numbers}B={multiples of 5}C={multiples of 4}(a) List the members of the set(1)$$ A \cap B $$(ii)$$ B \cup C $$(2)D={prime numbers}(b) Is it true thatB∩D=∅?Tick(✓) the appropriate box.Yes No Explain your ...
different positive odd numbers, the value of the sum can be 12321, but it can never be less than 12321( ). A: B: C: D: 相关知识点: 试题来源: 解析 A Add consecutive odds. You get square of # of # s. ; , etc. You need at least numbers. 可以将多少不同的正奇数相加,使它们的...
Eight consecutive positive odd numbers none of which can be expressed as a sum of two prime powers. Yong-Gao Chen. Bull. Aust. Math. Soc . 2009Chen, Y. G., Eight consecutive positive odd numbers none of which can be expressed as a sum of two prime powers, Bull. Aust. Math. Soc....
How many prime numbers are there between 25 and 35, inclusive? How many numbers between 1,000 and 9,999 are divisible by 5 or 7? How many numbers between 1 and 1000 are divisible by 3? How many numbers between 1 and 250 are divisible by 6? How many numbers between 1 and 100 (inc...
A positve number is 5 more than another. Their product is 36. What are the numbers? There are two positive numbers. Four times the small number plus 3 times the big number is 55. Two times the small number plus the big number is 21. What is 10 times the big number minus 6 ...
If A is the set of odd positive integers less than 10, and B is the set of prime numbers less than 10, how many members does A⋃ B have? ( ) A. 3 B. 5 C. 6 D. 9 E. 10 相关知识点: 试题来源: 解析 C A=\(1,3,5,7,9\) and B=\(2,3,5,7\). A⋃ B ...
The total of five consecutive, positive odd numbers is 85. What’s the largest number could be? (From St Olave's Grammar School Entrance Exam) A.69 B.35 C.25 D.21 E.17相关知识点: 试题来源: 解析 D Median is85÷5=17, the largest number is 17+2+2=21反馈 收藏 ...
How many positive integers less than 100 are neither multiples of 2 nor multiples of 3? Eliminating Integers: To find integers in a range that are not multiples of a specific number, or even two numbers, simply divide the number of integers in the range by the number of the mu...
[4, -1, 5, 9, -6, 2, -9, 8] Output: [4, 5, 9, 2, 8] Solution To print only positive numbers from a list, we need to check if the number from the list is greater than or equal to zero. Method 1: Print positive numbers using loop ...
How many four-digit odd numbers less than 7000 can be formed using the digits 3 4 5 7 8 9? How many 3-digit numbers (from 100 to 999) do not contain even digits? (0 is considered an even digit). For how many integers from 1 through 99999 is the sum of their d...