Mathcounts has 4 levels: school, chapter, state, and national.
所有跟帖:
• 谢谢! 但题有什么不同? -worriedmama- ♀ (0 bytes) () 11/20/2010 postreply 10:59:56
• There are not too many differences. -BeLe- ♀ (136 bytes) () 11/20/2010 postreply 11:45:13
• 谢谢! 但题有什么不同? -worriedmama- ♀ (0 bytes) () 11/20/2010 postreply 10:59:56
• There are not too many differences. -BeLe- ♀ (136 bytes) () 11/20/2010 postreply 11:45:13