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
a is a positive integer.
Quantity A
$$\frac{(3a)(3a)}{3}$$
Quantity B
$$\frac{3a+3a}{3}$$
答案：A
最热提问
-
Stories are a haunted genre; hardly (i)_____kind o......
-
Like most movements in art, surrealism became_____......
-
He was so ____ during the filming of the movie tha......
-
The controversy about Alexander the Great’s pers......
-
The sociologist argued that criminal behavior is a......
-
The journalism professor’s first lecture tackled......
-
A nation should require all of its students to stu......
-
People enjoy listening to the governor's inspiring......