题库搜索>问题求解PS-13696
The sum of all the integers k such that –26 < k < 24 is
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
我有更好的解析 
暂无雷哥网文字解析
K的集合为-25,-24,-23......0,1,2.......23 以0为界限，一共25+24=49 个数
两两相加等于0，最后剩下-25，-24，0，相加等于-49
科目：
问题求解PS
来源：
GWD
题目信息49.96s
平均耗时
83.7%
平均正确率
该题由网友ajSLxa提供
点击上传问题求解PS -17894
An 〝Armstrong number〞is an n-digit number that is equal to the sum of the nth powers ofits individual digits. For example, 153 is an Armstrong number because it has 3 digits and 13+53+33 =153 .What is the digit k in the Armstrong number 1, 6k 4?
问题求解PS -17869
Of the following, which is greatest?
问题求解PS -17767
Let n and k be positive integers with k≦n. From an n×n array of dots, a k×k array of dots is selected. The figure above shows two examples where the selected k×k array is enclosed in a square. How many pairs (n, k) are possible so that exactly 48 of the dots in the n×n...
问题求解PS -17497
What is the smallest integer n for which ?
问题求解PS -17457
If p is the product of the integers from 1 to 30, inclusive, what is the greatest integer k for which 3k is a factor of p ?
问题求解PS -17894
An 〝Armstrong number〞is an n-digit number that is equal to the sum of the nth powers ofits individual digits. For example, 153 is an Armstrong number because it has 3 digits and 13+53+33 =153 .What is the digit k in the Armstrong number 1, 6k 4?
问题求解PS -17869
Of the following, which is greatest?
问题求解PS -17767
Let n and k be positive integers with k≦n. From an n×n array of dots, a k×k array of dots is selected. The figure above shows two examples where the selected k×k array is enclosed in a square. How many pairs (n, k) are possible so that exactly 48 of the dots in the n×n...
问题求解PS -17497
What is the smallest integer n for which ?
问题求解PS -17457
If p is the product of the integers from 1 to 30, inclusive, what is the greatest integer k for which 3k is a factor of p ?
分享
周末、晚班滚动开班 
24+35+35+6课时 
