How many different 3-digit whole numbers can be formed using the digits 4, 5, 0 and 8, assuming that no digit can be repeated in a number?

hơ many diferent 3- digit whole numbers can be formed using the digit 4,5 ,0 and 8 assuming that no digit can be repeated in a number ? ai nhanh tick

hơ many diferent 3- digit whole numbers can be formed using the digit 4,5 ,0 and 8 assuming that no digit can be repeated in a number ? ai nhanh tick

How many diffrent 3-digit whole numbers can be formed using the digit 4,5,0,8 assuming that no digit can be repeated in a number

How many 5- digit numbers are greater than 40000 that ues the digits 1,2,3,4 and 5, and the digits cannot be repeated

choose 3 digits from 1, 3, 4, 5, 9 to form 3-digit numbers. how many number(s) that can be divisible by 5 is / are there?

choose 3 digits from 1, 3, 4, 5, 9 to form 3-digit numbers. how many number(s) that can be divisible by 5 is / are there? 

Given 4 digits: 4, 6, 2, 0. 
What is the difference of the largest and the smallest 4-digit numbers that can be formed from these digits. Use each digit only ones.
Answer: The difference is 

 Câu 1: How many distinct 3 - digit odd numbers can you make by using 0;1;2;4 and 5 ? (Giải thích rõ giúp mình)

 Câu 2: How many distinct 4 - digit numbers are divisible by 2 can be form from digits 0;2;5;6 and 9 ? (Giải thích rõ luôn nha)