条件1可知2*5*7组成了N的约数，其中2*5=10，所以N一定是10的倍数，即个位数肯定为0 条件2同理，可以得出10是N的约束，故答案为D
题目: If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k ? (1) The tens digit of k + 9 is 3. (2) The tens digit of k + 4 is 2. 选项: 答案: A 提问列表 提问 提问: K+4,能算的就是K=8,2)为何不对? 解答: 点赞0 阅读...
Zero is a unique integer that is neither positive nor negative. It serves as the neutral element in addition and subtraction, meaning that adding or subtracting zero from any number leaves the number unchanged. For example: 5 + 0 = 5 0– 7 = -7 2. Positive Integers Positive integers are...
The Indians were the first to use zero like any number and gave the zero meaning in math. For this reason, the concept of zero in math is considered to have originated in India. The Arabians adopted zero as a number to represent emptiness as well as infinity.What Are the Properties of...
百度试题 结果1 题目Find the least positive integer n for which(n-13)/(5n+6)is a non-zero reducible(可化简的) fraction.((A)45(B)68(C)155(D)226 相关知识点: 试题来源: 解析 C 反馈 收藏
For every even integer x>0, the sum −xx (−x)x is( ). A. positive B. negative C. zero
To check whether the specified number is positive or negative can be determined with respect to 0. A number greater than 0 is considered a positive number whereas a number less than 0 is considered a negative number, we can use Java conditional statements like if-else-if blocks or ternary ...
Each entry in the multiplication table above is an integer that is either positive, negative, or zero. What is the value of a ? h≠ 0 c = f A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement (...
For example in a pair option std::pair<int, std::string> the first element may need to be a positive integer while the second may need to be a valid file. The .application_index(int) function can specify this. It is zero based and negative indices apply to all values. opt->check(...
When the Object Mapper needs to create a new instance of A, it will call the createA method on com.aerospike.mapper.Factory class. This method has a few requirements:The method on the class must be static The method can take zero parameters, one parameter or two parameters. If it takes ...