Cards

Example

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

4
2
5
 
 
224
 - 
 
 
752
 - 
 
 
527
 - 
 
 

Solution

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

4
2
5
 
 
224
 - 
245
 
752
 - 
542
 
527
 - 
524
 
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