The 11th term of the secquence: 1, 8, 27, 64, 125 , .... is .... The number of 9 digits 9 appearing in the difference between 100000 and 100001 is .... The sum of all three digit numbers is ..... The number of second in a day is ..... The remanider when S is divided by 9 where S = 10 x 10 x 10 x .... x 10(100 factores) is .... 60 multiplied by 11 plus 29 multiplied by 12 equals is .... The aveage of all six - digit numbers that are smaller than 999999 is ..... The number that is 4499 less than 80 hundreds is .... Mark has 68 more books than Michael. Tom has 21 fewer books than Mark. They have 865 books in all. How many books does Mark have? -Mọi người giúp mk những câu này nha, mk ngu toán tiếng anh quá