If the cube of a number is 10, it is 1000, and this number is more than 500 and less than 1000, then this number can only be the cube of 8 or 9 numbers. The cube of 8 is 5 12, and the sum of digits 100 and 10 is equal to single digits, so this number must be the cube of 9: 729. 27 squared.
Developing work plan model article 1
The new semester has started again. I have been working for nearly five years. Like every sem