[原创]March 7, North America, failed

Never expect such low score, 10 times worse than Prep, don't know why.

Some JJ:

AA: School should reduce the number of campus house in the market in order to increase the demand, therefor increase the rent revenue.

AI: Government should not regulate the busines, busines should make the regulation and enforce the regulation themselve.

Math:

I-6-2I3-7II=?

How many 2 digit numbers have 6 prime factors? (64, 96)

IIx-3I-6I=6, X? (3, -3, 9)

RC

A really long article about certain metal (Polexxx?), most of found in the  volcanic area, pacific rim and part of Russion area..........

 Forgot rest of them, completely stressed out, still I should thank all the XDJM here provide lots valuable advice, thanks a lot!