1.When your friend is online ,you can send all ____ of documents to each other.
2.If you ____ some money,you can get a larger netbook hard disk.
什么填空 - - ..我郁闷...
找规律的..
若.
2*2 5
3*3 13
4*4 25
请问10*10 是多少..
.鄙人只有这么一点分数 .