关于儿童数字技术 人们似乎对出生计算。儿童的数值技能发展得如此之早和如此必然,很容易想象一个成熟的数学内部时钟指导他们的成长。不久后,学习走路和说话,他们可以设置表的准确度与印象 --- 一把刀,一个汤匙,一把叉子,为每 5 个椅子。很快,他们是没有能力,他们已在 2010-04-17 4353 阅读
在我身命中最难忘的人The most unforgettable person in my life When I was in high school, one of my classmates sit right beside me. His name is ChenLiang. He is my unforgettable person in my life. I remembered my mathematics was just mediocre at that time, but he 2010-01-09 10319 阅读