回複:General Anwser

回答: 生活中的數學 3(續)NaCl2010-08-01 08:16:56

You must pass after 4th test because during that test, only correct answers left to be selected. When you repeat any test, you will NOT select the answer that was marked wrong.

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?????Do you understand really? -jinjing- 給 jinjing 發送悄悄話 (20 bytes) () 08/02/2010 postreply 16:31:30

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