Can Tianjin senior high school entrance examination equation not write Chinese characters?

It is ok to write Chinese characters in Tianjin senior high school entrance examination equation. Remove the denominator, brackets, shift terms, merge similar terms, and change the coefficient to 1, just to let beginners know why the equation becomes like this, so they don't need it in the exam. If they are just beginning to learn equations, the teacher will let everyone write like this in order to emphasize the method.