cause like it's so important - l% C* t* v( q/ {
math 20's just crap ( u: z1 Y- q/ W' u4 o% y) A
30's ok, I got 98( N, R8 t z2 M
however I learned in China before. . W" w) c. i4 M) Qclass average's like 72 something. 1 ~5 {' x: A* h$ fand u really need good mark for calculus (math 31)if u wanna take that