谁有one plus one equals two?演讲稿

问题描述:

谁有one plus one equals two?演讲稿
不用太长,谢谢,急需

I can give you some viewpoits about it ,you can expand it.In the math matic,we always start with definitions .what do you mean by one what do you mean by two?what do you mean by plus?what do you mean ...