假设I为绝对值符号

Key: -20+2-4=-22

2. a= 2^4, b=2^a, 2^x=a^b, what is value of x?

a=2^4=16;

b=2^a=2^16;

2^x=16^(2^16)=2^(2^18)

Key:à x=2^18=1024*256

3. %26lt;(X+Y)/(X-Y)%26gt;* %26lt;(1/X-1/Y)/(I/X+1/Y)%26gt;, the answer is -1. The last quesion in Math.

Key: ((x+y)/(x-y))*((y-x)/(y+x))=-1

4. X, Y are positive integers. Is Y odd?

a. XY=even

b. X+Y=even

“Is” type question

[1] [2] [3] [4] [5] 下一页