所谓虚拟即为不存在,它看不见摸不着但又符合一定的事实情况,有时是一个环境,也可以是一个数或是一个图形。比如,我们在小学阶段接触到的“平均数”就是一个虚拟的数。学数学很多时候是在虚拟的世界里去研究真实世界里的事物,就像是楼盘都有个效果图,那就是虚拟的,但它不是凭空想象的。学数学也是这样,我们要能让孩子在虚拟与真实 The so-called virtual is non-existent, it can not see the touching but meet certain facts, sometimes an environment, it can be a number or a figure. For example, the “average” we touch at primary school is a virtual number. Mathematics is often in the virtual world to study the real world things, like real estate has a renderings, it is virtual, but it is not imaginary. Math is also the case, we need to be able to make children virtual and real