I've had your experience, too. If the teacher just looks at the answer, you are lucky and there is no deduction. But strictly speaking, the requirement in it is "the simpler the better", so if it is not simple, it is not in conformity. Do you think it necessary to deduct points? But it should not be deducted completely. Strictly speaking, it is deducted completely, but in a nutshell, it is half a point. - .》