学习了负数以后,有理数0的问题让不少同学出现了一些错误.例1天气预报的播音员说,明天最低气温是0℃,于是小贝告诉妈妈明天没有温度.小贝的说法对吗? After studying negative numbers, the problem of rational number 0 has caused many students to make some mistakes. Example 1 An announcer of the weather forecaster stated that the minimum temperature is 0°C tomorrow, so Beckham told his mother that there would be no temperature tomorrow. Is Becky saying right?