Open Middle®
Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the largest (or smallest) sum.
Hint
What number does each box represent? Where should the 9 or the 1 go (or NOT go)?
Answer
There are many solutions to get the largest sum of 106.551. One of the possibilities of the three numbers could be: 0.421, 7.53, 98.6.
There are many solutions to get the smallest sum of 16.659. One of the possibilities of the three numbers could be 0.689, 3.57, 12.4
Source: Daniel Luevanos
