☪stars⚛ @ 2018-08-10 09:26:31
初中生很无奈
by Xxzxx @ 2018-08-10 09:36:21
+1
by Paris @ 2018-08-12 11:43:00
这个我感觉题目说得很清楚吧……可以看看题解
by Irascible_boy1_0 @ 2018-08-12 17:50:47
+1只看得懂obama is a 250