Các câu hỏi tương tự
Exercise 7. Choose 2 numbers, without repetition, from 0, 3, 5, 6, 9 to form a 2-digit number. How many numbers with a digit “9” are there?
A. 6 B. 9 C. 7 D. 8
how many 3 digit numbers that are multiples of 6 in which the sum of hundreds digit and units and units digit is twice tens digit ?
How many times does the digit “0” appear in numbers from 1 to 1000?
How many times does the digit “0” appear in numbers from 1 to 1000?
in the figure, eight doves each are perching in one of the sixteen squares of the arry.At least how many doves need to move from where they are to new squares (not necessarily adjacent to the original squares) so that there are just two doves on each row, each column
How many times does the digit “0” appear in numbers from 1 to 1000?
How many times does the digit “0” appear in numbers from 1 to 1000?
Answer:
How many times does the digit “0” appear in numbers from 1 to 1000?
Answer:
How many times does the digit “0” appear in numbers from 1 to 1000?
Answer: