A-A+

What is the average (arithmetic mean) of 330

2022-08-01 20:12:57 问答库阅读 166 次

问题详情

What is the average (arithmetic mean) of 330, 360, and 390？
A．360
B．3177
C．310 + 320 + 330
D．327 + 357 + 387
E．329 + 359 + 389请帮忙给出正确答案和分析，谢谢！

正确答案：E