It is too difficult to take the postgraduate entrance examination in mathematical probability theory. Seeing multidimensional random variables won't kill you. I want to ask, can I just give up this part? I really can't stand it! The scores of advanced mathematics, linear algebra, probability theory and mathematical statistics in Math 1, Math 3 and Math 4 account for about 56%, 22% and 22% of the whole paper, which are about 84, 33 and 33 respectively. Mathematics II, advanced mathematics and linear algebra account for 78% and 22% respectively, which is about 1 17 and 33 points, accounting for a lot of points. Give up when you encounter difficulties. What's the point? So come on, try to beat it.