“0”像什么?像圆圈,像鸡蛋,再展开联想,它像水井的井口。请注意,弄不好的话,“0”可能会变成物理学习中的一个陷阱。也许有同学会说,莫不是吓唬人的吧?小学一年级时,就开始和“0”打交道,在运算时,有时有它不多它,无它不 What a “0” resembles? Like a circle, like an egg, and then expand associations. It is like the wellhead of a well. Please note that if you do not do well, “0” may become a trap in physics learning. Maybe some classmates will say, is it not frightening people? When it was in the first grade of elementary school, it began to deal with “0”. In the calculation, sometimes there are not many of it, no it does not