题目A six-digit number \overline{12345A} is divisible by 25. What is this number?相关知识点: 试题来源: 解析 123450. We look for the last two digits to see if a number is divisible by 25. Therefore this number should be 123450....
What is 57 divisible by? Divisibility in Mathematics: Divisible is the whole number you get when you try to divide two whole numbers. Depending on the number, it might only be divisible by one number or several numbers. Answer and Explanation: Become a Study.com member to unlock this answ...
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。
Any integer divisible by 9 and 15 is divisible by 45. Since 45 is not even, it is not divisible by 6. So double 45 to get 90. 下面哪个正整数能同时被 6,9,15整除?( ). A.810 B.90 C.30 D.15 任意整数能被9和15整除的一定能被45整除.因为45不是偶数,所以一定不能被6整除,那么45的...
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...
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 reasonableness in math? PROVE (without the use of induction) that if n is of the form 4k + 2, then n^2 mod8 = 4. use mathematical induction to prove that (2n)! ≥ 2^n(n!)^2, n \in \mathbb{Z}^+. Prove via mathematical induction that (7n) - 1 is divisible by 6...
If K is a positive integer less than 10 and N = 4,321 + K, what is the value of K ? N is divisible by 3. N is divisible by 7. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement ...
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如果五位数 543A1 可以被 9 整除,请问数字 A 的值是多少?A. 2 B. 5 C. 6 D. 8 E. None of the above以上都不是 相关知识点: 试题来源: 解析 B According to the Divisibility rule of 9, the sum of the digits: 5+4+3+A+1=13+A is a multiple of 9. The next multiple of 9 gre...