Question

giải bài đầy đủ giúp mik với

Answer 1

1/2

2001/2005

Answer 2

a) 1/2

Answer 3

b) 2001/2005

Answer 4

a)\(\dfrac{3\times4\times2\times13}{2\times13\times3\times8}=\dfrac{4}{8}=\dfrac{1}{2}\)

b)\(\dfrac{2000\times2001\times2002\times2004\times2003}{2002\times2003\times2004\times2000\times2005}=\dfrac{2001}{2005}\) rút gọn chéo nha e