Question

巧算(1/(2/3)/(3/4)/(4/5)/(5/6)/./(1999/2000)/(2000/2001)/(2001

Answer 1

=1*3/2*4/3*5/4*……*2000/1999*2001/2000*2002/2001

=2002/2

=1001

你把它写成乘以倒数的形式，然后约分就得了。