百度试题 结果1 题目Is 18 divisible by 6?A:yesB:no 相关知识点: 试题来源: 解析 A None 反馈 收藏
Basis: f(1)=9^1-1=8 is divisible by 8. Assumption: f(k) is divisible by 8. Induction: f(k+1)=9^(k+1)-1=9*9^k-1 f(k+1)-f(k)=(9*9^k-1)-(9^k-1)=8*9^k So if the statement holds for n=k, it holds fo r n=k+1. Conclusion: T he statement holds for al...
(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...
解析 能被5和7除尽的必定能被35除尽,但不一定能被70除尽,要能被70除尽,需要同时能被5,7,2除尽 结果一 题目 divisible到底是能被除尽还是整除的意思 题目是这样的说n is divisible by both 5and 7 then n must also be divisible by 但是我觉得要是说是像字典里一样解释为除尽的话 那不是应该也能...
Is the integer k divisible by 4 ? (1) 8k is divisible by 16. (2) 9k is divisible by 12. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient....
C is divisible by A and by B 是表示C=A*B的意思,还是仅指C能被A,B整除?A and B are divisors of C 跟上面一样吗 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 C is divisible by A and by B 指C能被A,B整除A and B are divisors of C表示C=A*B的意思 解析看...
5.A three-digit number is not divisible by24.When divided by24,the quotient(商)is a and the re-mainder is b.What is the minimum value of a+6?((A)5(B)6(C)7(D)8(E)95. three-digit number is not divisible by 24. When divided by 24, the quotient(商)is a and the re- mai...
a对你有点感觉但是在以前 A little feels but to you in before [translate] aIf request.form("CompanyName")="" Then 正在翻译,请等待... [translate] aThen n is divisible by 3 if and only if the sum of its 然后n由3是可分的,如果和,只有当总和的它 [translate] ...
百度试题 结果1 题目【题目】4 If a is divisible byb, then a is called aof b, and b is called aof a. 相关知识点: 试题来源: 解析 【解析】multiple 反馈 收藏
一个正整数如果要被9整除,那么这个正整数每一个digit相加要可以被9整除(例如判断1233能不能被9整除,...