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题目内容双击单词支持查询和收藏哦～
X is the sum of all the even positive integers less than or equal to 50.
Y is the sum of all the odd positive integers less than or equal to 49.
Y is the sum of all the odd positive integers less than or equal to 49.
Quantity A
X-Y
Quantity B
25
C显示答案
· 相关考点
1.4.3 连续奇数与连续偶数 考察角度三：连续奇偶数的极差
以上解析由 考满分老师提供。
