您还没有登录，登录以后才可以查看答疑和进行提问。
试题详情
Quantity A
The number of 3-digit integers all of whose digits are even
Quantity B
The number of 3-digit integers all of whose digits are odd
答案：B
5
评分
5
浏览
同求讲解！！！！！！！！！！！！！！！！！！！！！！
最热提问
-
The sentence was _____ in the eyes of the jury; ho......
-
Eager for precision in a field (i)_____ ambiguity ......
-
In a soccer league, if there were 10 teams and eac......
-
Twenty years ago, when the book was first publishe......
-
Science is arguably a very high-minded pursuit, bu......
-
Even before she went to art school, Veronica found......
-
At nearly 320 pages, the novel is _____: the write......
-
The author of the passage discusses "receptor fati......