Các câu hỏi tương tự
how many 4-digit numbers can you make by using only 0 and 1 ?
How many 4 - digit numbers can you make by using only 0 and 1?
Answer:
Choose 3 digits from 8, 6, 0, 5, 2 and 1 to form 3-digit numbers. How many odd numbers
are there? (The repetition of digits is not allowed)giúp me với
Choose 3 digits, without repetition, from 1, 2, 4, 6, 8 to form 3-digit even numbers. How many numbers are there ?
Please help me !
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?
Question 1
The bus will take one hour then the train take three and a half hours morethan the bus from Bella is hours to her grandmother is house Bella need half an hour to change between them How long will the whole joumey take ?
Question 2
There are .......... distinct 4 - digit numbers from 0; 1;2;3;4
Question 3
Jenny gets $6 each week Jane gets double that amount How much did they get together in January ?
How many four -digit -numbers have 1 as their second digit and 5 as their last digit ?
The numbers from 1 to 1000 are written. How many of these numbers have at least two digit 5?