1003024607

SubArea: 
Level: 
Project ID: 
1003024607
Accepted: 
1
Clonable: 
0
Easy: 
0
On the shelf, there should be three blue cups, three red cups, two yellow cups and two green cups arranged in a row from the left to the right. The cups of the same color are not mutually distinguishable. How many arrangements of these cups are possible?
10!(2!)2(3!)2=25200
10!46!=1260
10!22!3!=151200
10!42!3!=75600