单项选择题

The numbers in a table are arranged in 10rows and 4 columns such that one number is placed at the intersection of each row and column．HOW many numbers are contained in the table（）

A. 14
B. 40
C. 400
D. 104
E. 410

<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following symbols should be substituted for □ to make both of the statements above true for all integers 77such that -2＜n≤3（）

A. ≤
B. ＜
C. =
D. ＞
E. ≥
单项选择题
If y is the average(arithmetic mean)of n consecutive positive integers，n＞1，what is the sum of the greatest and least of the seintegers（）

A.A
B.B
C.C
D.D
E.E
相关试题