X is a range. Answer should be:
3/2
回複:美國奧賽題:一元二次方程(2.5星)
所有跟帖:
• 回複:回複:美國奧賽題:一元二次方程(2.5星) -bodlygo- ♂ (24 bytes) () 04/11/2009 postreply 21:01:26
X is a range. Answer should be:
3/2
• 回複:回複:美國奧賽題:一元二次方程(2.5星) -bodlygo- ♂ (24 bytes) () 04/11/2009 postreply 21:01:26
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