说“0”有用,都有什么用呢?1.用来表示一个数。例如0、1、2、3……都是整数。2.用来表示分界线。例如爸爸经常工作到0点。这里的“0”表示一天的结束和新一天的开始。又如说气温是0度,这0度是零上温度与零下温度的界线。3.用来占位。例如108表示十位上没有数量,但 Said “0” useful, what is the use of it? 1. Used to indicate a number. For example, 0,1,2,3 ... are integers. 2. Used to indicate the dividing line. For example, my father often worked until 0:00. The “0” here means the end of the day and the beginning of a new day. Another example is the temperature is 0 degrees, 0 degrees is the zero temperature and minus the temperature of the line. 3. Used to placeholder. For example, 108 means there is no quantity on the tens, but