一、无理数不无理无理数,并不“无理”,它和有理数一样,都是现实世界的量的反映,“无理数”只是人们习惯采用的名称而已,它丝毫也不表示没有道理的意思．无理数和有理数一样,有无数多个．二、无理数的特征无理数是无限不循环小数．这说明无理 First, the irrational number is not unreasonable and irrational, and it is not “irrational.” Like rational numbers, it is a reflection of the quantity of the real world. The “irrational number” is just the name that people are used to. It does not mean that there is no reasonable meaning. Irrational numbers, like rational numbers, are numerous and numerous. Second, the characteristics of irrational numbers Irrational numbers are infinitely non-recurring decimals. This shows irrational