回复：A question for you to ponder. Can you solve the problem for t

1/2 = 9/18
1/3 = 6/18
1/9 = 2/18

1/2 + 1/3 + 1/9 = 17/18

They should borrow 1 horse from a neighbor in order to execute the will, and then return the neighbor's horse afterwards.

:D