There are 24 combinations without repeating any digit in the combinations: 7436 7463 7346 7364 7643 7634 4736 4763 4376 4367 4673 4637 3746 3764 3476 3467 3674 3647 6743 6734 6473 6437 6374 and 6347.
210
24
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
321 312 213 231 123 132 6 3 digit numbers.
27
210
-24686
24
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
321 312 213 231 123 132 6 3 digit numbers.
You can make 4*3*2/2 = 12 numbers.
125
27
six
3! = 6.
Should be 1000. (10x10x10)
106------------------------------------------------------------------------------------------------From Rafaelrz.You can make, 4P3 = 4!/(4-3)! = 24, different 3 digit numbers using 1, 2, 3 and 4.