单项选择题
If the average (arithmetic mean) of 10, 20, 30, 40, and x is 60, what is the value of x
(A) 50
(B) 60
(C) 100
(D) 150
(E) 200
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
单项选择题
D
点击查看答案&解析
单项选择题
C
点击查看答案&解析
相关试题
B
Bob and Jack share an apartment. ...
For how many positive integers m ...
A
D