Arrange the cards with the numbers 1, 2, 7 so that thr created number is as close in value as possible to the number 321.
Which of the numbers 127, 172, 217, 271, 712, 721 is closest to 321?
It's 271.
Instructions:
There are three or four cards with digits. Your task is to put them in a threedigit or fourdigit number that is as close as possible to the selected numbers (that can be larger or smaller).
Example
Use 3 cards to build 3digit number, which are as close as possible to the entered numbers.
6
8
9
641

509

660

Solution
Use 3 cards to build 3digit number, which are as close as possible to the entered numbers.
6
8
9
641

689
509

689
660

689