(1-2)*(2-3)*(3-4)*...(2009-1010)怎么做啊*是乘号,求高人指导....
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![(1-2)*(2-3)*(3-4)*...(2009-1010)怎么做啊*是乘号,求高人指导....](/uploads/image/z/7169326-70-6.jpg?t=%281-2%29%2A%282-3%29%2A%283-4%29%2A...%282009-1010%29%E6%80%8E%E4%B9%88%E5%81%9A%E5%95%8A%2A%E6%98%AF%E4%B9%98%E5%8F%B7%EF%BC%8C%E6%B1%82%E9%AB%98%E4%BA%BA%E6%8C%87%E5%AF%BC....)
(1-2)*(2-3)*(3-4)*...(2009-1010)怎么做啊*是乘号,求高人指导....
(1-2)*(2-3)*(3-4)*...(2009-1010)怎么做啊
*是乘号,求高人指导....
(1-2)*(2-3)*(3-4)*...(2009-1010)怎么做啊*是乘号,求高人指导....
就是-1啊.