[] + [] + [] = 30
Fill the boxes using one of these numbers 1, 3, 5, 7, 9, 11, 13, 15
You can also repeat the numbers.
? + ? + ? + ? + ? = 30
You have to fill numbers in place of question marks. The numbers that you can use are 1, 3, 5, 7, 9, 11, 13 and 15. You can repeat the numbers if you like.
Fill the Boxes with Numbers : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 No Repetition
There are 9 boxes below. Solve by using each digit from 1 to 9 exactly once to fill the 9 boxes.
Using a letter to represent a digit in each box, the puzzle is:
ab * c = de + fg = hi
The sequence below contains terms that doesn't have any perfect square factors (except 1). 2, 3, 5, 6, 7, 10, 11, 13, 14, 15...
What is the sum of the square-roots of the terms starting from 2 to the largest two-digit term?
