Answers

2016-02-28T17:15:42+08:00
If the host is not counted then 300 handshakes would be done for everyone to shake hands.
If the host is counted then 325 handshakes would be done.
0
Nope it's not that many, it's enough (for me). And if it's wrong, we'll see. ^-^
Math is so difficult. ^-^
It's not with mastery, of course.
Yes
i guess hes answer is correct ..because .i see the video and when i solve it ..its the same