The side length of a square paper is 12 cm. After cutting a rectangle 4 cm long and 3 cm wide from the side, what is the circumference of the remaining paper Hurry up It's better to write out the process of solving the problem and what you think, otherwise, you don't understand! Ah, ah, ah!

The side length of a square paper is 12 cm. After cutting a rectangle 4 cm long and 3 cm wide from the side, what is the circumference of the remaining paper Hurry up It's better to write out the process of solving the problem and what you think, otherwise, you don't understand! Ah, ah, ah!

If you cut a rectangle from a corner, the circumference remains the same, 48 cm
If you cut a rectangle from one side, there are two cases, 56 or 54 cm