Generally speaking, mathematics is factorization (sweat), basic probability (continuous sweat), trigonometric function (crazy sweat ...) and basic calculus (some States have applications of calculus. Such as Newton's cooling law.
The Australian Mathematics College Entrance Examination can bring a computer (the latest Texas Instruments CAS computer is simply a small matlab) and a formula table. . Therefore, for China students who have finished Grade One in China, they usually get full marks by surprise before the exam.
In physics, mechanics (about a higher level) and optics (light waves and the like) are not as difficult as BT in China, but the content is a little different from that in China. I can't recognize the word quantity now. Personally, if the university subject you want to study doesn't require high school physics to apply, then don't choose it. Because of language problems, it is difficult for you to get high marks, and it will involve a lot of energy, which is not worth the candle. . . .