Integers can be expressed correctly.
But the real type is not necessarily.
Such as in programming.
If you want to take the last two decimal places
We usually use% .2f
To express
But the operation of the computer
He sometimes
Numbers after the third decimal point are rounded to the second decimal point.
For example, 1.3578
He will be 1.36.
But sometimes
He also shows 1.35.
therefore
The real type is within the allowable range.
Can't express it accurately.