The number that is close to x 100 is subtracted from the other x and x is always unknown. The number that is close to the unknown becomes in the denominator and use the division method to be fast. We call it a shortcut. I know that you did not understand anything, but I tried and
@mujtaba439Ай бұрын
I know you didn't understand, and even if you did, you wouldn't need it now.