Cards

Example

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

7
8
1
 
 
331
 - 
 
 
703
 - 
 
 
267
 - 
 
 

Solution

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

7
8
1
 
 
331
 - 
187
 
703
 - 
718
 
267
 - 
187
 
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