What's the difference between positive and negative numbers?

Positive numbers and negative numbers are read differently: positive numbers can be read without positive numbers, and negative numbers must be read with negative numbers, for example, 5 is read as five or plus five, and -5 is read as minus five.

Positive numbers and negative numbers are written in different ways: the negative sign is different, the positive sign can be taken or not, and the negative sign must be taken, for example, five is written as 5 or +5, and negative five is written as -5.

Extended data:

The essence of negative numbers:

If all negative numbers are less than zero, then all negative numbers are less than positive numbers. Zero is neither positive nor negative. Then -a

There is neither a minimum number nor a maximum number in negative numbers.

The minus sign before a negative number is equal to the absolute value of the negative number.

Such as -2, -5.33, -45, etc. The absolute value of 2 is 2, the absolute value of -5.33 is 5.33, the absolute value of -45 is 45, and so on.

The score can also be negative, such as -2/5.

The square root of a negative number is represented by the imaginary unit "I". Negative numbers in real numbers have no square root.

The largest negative integer is-1.

There is no smallest negative number.