hàng đơn vị : 1 cách chọn
hàng chục : 4 cách chọn
hàng trăm: 4 cách chọn
lập đc: 4*4*1= 16 (số)
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
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)
How many distinct 3-digit numbers can you make by using 1, 2, 0, 4 and 5?
How many distinct 3-digit numbers can you make by using 1, 2, 0, 4 and 5?
How many distinct 3-digit numbers can you make by using 1, 2, 0, 4 and 5?
Answer: numbers.
Câu 6:
How many distinct 3-digit numbers can you make by using 1, 2, 0, 4 and 5?
Answer: numbers.
Câu 10:How many 3-digit odd numbers can you make by using 3, 2, 5, 4 and 6?Answer: There are numbers
how many dintinct 3-digit odd numbers can you make by using 1,2,0,4 and 5
How many 3-digit odd numbers can you make by using 3, 2, 5, 4 and 6?
Answer: There are
numbers
how many distinct 3-digit even numbers can you make by using 8;3;9;0 and 6 ?
(ghi rõ cách làm)