[转帖]4.16 一点机经

vagrant

刚刚考完， 晚上出去错了一顿， 现在趁着脑子还清醒， 尽最大努力会议一些机经吧;

Math:

1.

8 people, including A and B, Choose 4 people to make up a group. Q: the possibility of this group including A but not B.

2.

Q: A+B+C=? (1)A+B= something,(2) B+C= something

3.

A rectangular solid, known the areas of 3 faces (can not remember), Q: Volume?

4.

A sequence, the first figure is a, the following figure = 2a-5, the fouth one= 13, Q: the second=?

5

A company, 3 departments, A B and C, the profit of A = 3 times that of B, C= 5 times that of B, Q: A C relationship?

6

A ,B, C and D four figures = n^2, respectively Q. 2^A+2^B+2^C+2^D=? (1)A*B*C*D= something

(2) A+B+C+D= something

7 . A figure about two squares, can not remember.

AWA:

AI 75

Argument 32