+0  
 
0
31
1
avatar

Find the number of positive integers that satisfy the following conditions:
* Each digit is a 1 or a 2 or a 3
* The sum of the digits is 10

 Dec 7, 2022
 #1
avatar
0

 

There are 15 positive integers that satisfy the given conditions. They are: 111, 112, 113, 121, 122, 123, 131, 132, 133, 211, 212, 213, 221, 222, 223.

 Dec 7, 2022

30 Online Users