Cards

Example

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

7
6
5
 
 
494
 - 
 
 
376
 - 
 
 
663
 - 
 
 

Solution

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

7
6
5
 
 
494
 - 
567
 
376
 - 
567
 
663
 - 
657
 
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