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
回复:A question for you to ponder. Can you solve the problem for t
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Excellent! No wonder you‘re a 班长!
-环绕自然-
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02/22/2014 postreply
11:46:31
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Oh, you are so smart.
-紫君-
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02/22/2014 postreply
11:58:10