Question

So sánh A và B biết: A=2000/2001+2001/2002

                              B=2000+2001/2001+2002

Answer 1

ta có : 2000/2001 > 2000/2002 
- > A= 2000/2001 + 2001/2002 > 2000/2002 + 2001/2002 
A > 4001 /2002 >1 
B=2000+2001/2001+2002 = 4001/4003 < 1 
VẬY A >B

Answer 2

B= 2000/2001+2002+2001/2001+2002

Ta có:

2000/2001>2000/2001+2002

2001/2002>2001/2001+2002

Vậy A > B.