0是不是自然数啊

0901RSN

0901RSN

integers, whole numbers, natural numbers怎么分啊

國際原子能貿易

Integers are like whole numbers, but they also include negative numbers ... but still no fractions allowed!
So, integers can be negative {-1, -2,-3, -4, -5, … }, positive {1, 2, 3, 4, 5, … }, or zero {0}
We can put that all together like this:
Integers = { ..., -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, ... }

Whole Numbers are simply the numbers 0, 1, 2, 3, 4, 5, … (and so on)

"Natural Numbers" can mean either "Counting Numbers" {1, 2, 3, ...}, or "Whole Numbers" {0, 1, 2, 3, ...}, depending on the subject.

0901RSN

國際原子能貿易 发表于 2014-2-8 21:43
Integers are like whole numbers, but they also include negative numbers ... but still no fractions a ...

谢谢妹子~

國際原子能貿易

0901RSN 发表于 2014-2-8 21:50
谢谢妹子~

不是女生.....

万能青年詹小炮

我小学的时候不是 上初中就是了。

Janus槑

能代表自然界数量的数字就是自然数啊，0就是代表木有了，所以0是自然数

C_4cat

偶的数学还给老湿了