Question

2+2=4-1=3 what is this called?

Answer 1

It is only this 4 - 1 = 3

That is your answer

Quick and easy

:)

Answer 2

Answer: Quick calculation(actually incorrect).

Step-by-step explanation:
`2+2=4-1=3` is not correct. We should write step-by-step as follows:

`2+2=4`

and

`4-1=3`.

This type of calculation is called quick calculations but it usually not correct. So. we should avoid these things and follow the step-by-step rule as discussed above.