17号芝加哥720放狗

chicagoweiyi

感谢万能的jj。朋友考前担心数学，我给他找了些jj. 他回来放狗来了。 由于他不会打中文，我尽可能滴给你们说全了。

1. DS 题 － jj187
n=1?
条件一：n^2=n
条件二：n^3=n

2. jj43题。给了C3＝100pai，求r1

3. DS题（听起来好像不确定记得清楚不）

Is P^m square number?
条件一：p is prime
条件二：m is even

4. DS 题 -jj188

Is X/Y a non-repeating decimal?
条件一：X is a factor of 60
条件二：Y is a factor of 250

5. jj里 20！＊10！／2*5！＊5！原体

6. jj里 carpet, door那题。

7. IR题

一个20*20的院子，一个类似篱笆的东西长62 as周长围成的最大面积，问：shortest side and longest side？给了两列选项。

输血部分他遇到很多jj原体，暂时只有这么多了。

来两道Critical reasoning题：
1. Many experts believe that corruption lead to decreasing business growth. But in City X, it has high level of corruption yet also has high level of business growth. which one below solve the description.
狗主选：Tax in city X has been a lot lower due to the corruption.

2. 最老的鱼出现在salt-water, 所以说salt-water应该有很多种类的鱼。但是，fresh water里鱼的种类比salt-water里的多。
狗主选：millions years ago, under certain circumstance, something happened to salt-water that impacted the fishes there. But the fish in fresh water was not impacted.

只有这么多，希望有那么一点点贡献。jj真的已经很给力了。感谢！