15
6, as long as they are all different
6 if all digits are different, 27 otherwise.
106------------------------------------------------------------------------------------------------From Rafaelrz.You can make, 4P3 = 4!/(4-3)! = 24, different 3 digit numbers using 1, 2, 3 and 4.
about... 25 just take 5 numbers times 5 numbers
1000
6, as long as they are all different
If the only operation is addition, then 3.
6 if all digits are different, 27 otherwise.
106------------------------------------------------------------------------------------------------From Rafaelrz.You can make, 4P3 = 4!/(4-3)! = 24, different 3 digit numbers using 1, 2, 3 and 4.
There are two different numbers. 3 and 7
48
about... 25 just take 5 numbers times 5 numbers
120
If you want 4-digit numbers, there are 24 of them.
1000
256!
55----------------------------------------------------------------------------------------------From Rafaelrz.You can make, 5! = 120, five digit numbers using 1,2,3,4 and 6.