Cards

Example

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

1
9
7
 
 
753
 - 
 
 
808
 - 
 
 
661
 - 
 
 

Solution

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

1
9
7
 
 
753
 - 
719
 
808
 - 
791
 
661
 - 
719
 
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