you are saying that because of common core, teacher has to expla
所有跟帖:
• common core math不是教孩子如何做题,而是训练数学思维。 -Pink侠- ♀ (24 bytes) () 09/23/2014 postreply 04:14:31
• 那就是你孩子的那桶水灌到一定的程度了, 与common core 关系不大 -didadida- ♀ (0 bytes) () 09/23/2014 postreply 09:26:34