12.3 一点点JJ

状态不是很好，取消了成绩 但是对于JJ，还是有点记忆 看看是否有用

作文

AA

1. occupaty rates of campus housing fell last academic year so did housing revenues. to solve the problem is to increase the housing or lower rents to incease the demand.

Issue

2. technology separate and alienate people more than bring people together.

其实都不太记得了。

数学最后一道有点黯然，因为不知道怎么做

1.a,b,c are all even interger, which number below will be the sum of a^2 + b^2+ c^2 ?

(1)118 (2) 246 (3)426  (4) 642 (5) 862    前面三个数字准确 后面的两个有点模糊了。请教各位这题改怎么做呢。

楼主的数字里面还有没有能被4整除的