哈哈爸 2009-5-1 18:23
请朋友帮忙指点，谢谢。
3.The following number is made up of all the digits of the whole numbers 1 to 2005.
12345678910111213141516……………20042005
Find the number of zeros in this number..
chxq 2009-5-1 19:02
9 + 9*9*2 + 9*2 + 9*9*9*3 + 9*9*2*3 + 2*3 + 5*2 = 2878
Correct? Please check..