Toggle navigation
首页
模考
答疑
LUXU题
资料下载
课程
联系客服
注册
登录
BOOSTGRE题库
×
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
If (a-b)and $$\frac{a}{b}$$ are both even numbers; and a and b are both positive integers, then which of the following must be odd?
A、$$\frac{a}{ 2}$$
B、$$\frac{b}{ 2}$$
C、$$\frac{a+b}{ 2}$$
D、$$\frac{a+2 }{ 2}$$
E、$$\frac{b+2 }{ 2}$$
答案:D
专业教师答疑
最新
提问
3
评分
3
浏览
Problem Solving
老师请问这题怎么做呀?
5
评分
5
浏览
Problem Solving
麻烦问一下老师,要满足两个式子成立a,b是不是都为偶数,那为什么不选择答案c呀
问个问题
我想问:
提问
答疑小程序
最热提问
Quantitative Comparison
Quantity AThe perimeter of a rectangle with area 1......
Sentence Equivalence
Publicity surrounding celebrities’ donations to ......
Text Completion
Anna Gavalda’s fiction is appealing largely beca......
Text Completion
In the years prior to the Civil War, Philadelphia......
Sentence Equivalence
What makes the precisely oriented flight of a hone......
Reading Comprehension
According to the author, which of the following is......
Reading Comprehension
The author refers to "smokers" in the third paragr......
Reading Comprehension
The author discuss "the standard view" most likely......