单项选择题

In the sum above．if X and Y each denote one of the digits from 0 to 9，inclusive，then X=（）

A. 9
B. 5
C. 3
D. 1
E. 0

<上一题目录下一题>

热门试题

单项选择题

If the sum of five consecutive even integers is 70，what is the value of the greatest of the five integers．（）

A. 12
B. 14
C. 18
D. 20
E. 22

单项选择题

If r and 8 are positive integers，each greater than 1，and if 11(s-1)=13(r-1)，what is the least possible value of r+s（）

A. 2
B. 11
C. 2
D. 24
E. 26

相关试题