What is the total number of integers between 100 and 200 that are divisible by 3? (分数:5.00) A. 33 √ B. 32 C. 31 D. 30 E. 29 相关知识点: 试题来源: 解析 解析:对于区间[a,b]中有多少个数能够被数n整除,计算方法如下:第一步:把b往小里凑。找到最近的n的倍数,记为r;比如例题中...
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...
(1) Is 9184 divisible by 2? If not, what is the remainder? (2) Is 3725 divisible by 5? If not, what is the remainder? (3) Is 8245 divisible by 25? If not, what is the remainder? 相关知识点: 试题来源: 解析 (1) Yes (2) Yes (3) No. r20反馈...
相关知识点: 试题来源: 解析 D Since is divisible by , the smallest whose nurnber greater then which is divisibie by is . 比大,能被整除的最小的一个数是( ). ... 因为能被整除,那么比大,还能被整除的最小的数就是. 故选.反馈 收藏 ...
A number that is divisible by 3 has the sum of its digits divisible by 3. The number 210 satisfies all three conditions so 210 is the answer.我们首先考虑7的倍数来尽可能的减少数字量.在给定的范围内的7的倍数有203,210 ,217,\ldots ,294.因为数字必须能被5整除,所以必须以5或0结尾.而又因为...
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能...
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。
百度试题 结果1 题目d)If a number is divisible by 9, by what other number is it also divisible? 相关知识点: 试题来源: 解析 Thenumbermustalsobedivisibleby3. 反馈 收藏
Since is divisible by , it is also divisible by and by . The number formed by the last three digits of , namely , must be divisible by . has to be . ( See Appendix , Section . ) If a number is divisible by , the sum of its digits must be a multiple of . Since , must ...
What is the least 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.5,040 相关知识点: 试题来源: 解析 A [解析] 该题也即让考生求1,2,3,4,5,6和7这7个数的最小公倍数。根据最小公倍的求解公式可得其最小公...