📐

Integers

★☆☆☆☆Elementary

📖Definition

The set of numbers including positive integers, zero, and negative integers.

ℤ = ..., -3, -2, -1, 0, 1, 2, 3, ...

Set notation for integers

예제 1★☆☆☆☆

Select all integers: -5, 0, 3.14, 7, -2.5

예제 2★☆☆☆☆

Calculate (-3) + 7 - (-2).

Below zero temperatures (e.g., -10°C)

Losses, debts

Depths below sea level

#number#fundamental#integer#elementary