Exercise 25 - Sum of three numbers
Exercise 25 - Sum of several numbers
Exercise 27 - From one to hundred
Exercise 28 - From hundred to one
Exercise 29 - Paired numbers
Exercise 30 - Where from
Exercise 31 - stairs
Exercise 32 - sum of number series
Exercise 33 - sum restricted number series
Exercise 34 - Multiplication
Exercise 35 - Powers sum
Exercise 36 - End of loop