Teachers and parrents

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 three-digit or four-digit number that is as close as possible to the selected numbers (that can be larger or smaller).

Example

Use 3 cards to build 3-digit number, which are as close as possible to the entered numbers.

6
8
9
 
 
641
 - 
 
 
509
 - 
 
 
660
 - 
 
 

Solution

Use 3 cards to build 3-digit number, which are as close as possible to the entered numbers.

6
8
9
 
 
641
 - 
689
 
509
 - 
689
 
660
 - 
689
 

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