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The 5x5 grid shown contains a collection of squares with sizes from 1x1 to 5x5. How many of these squares contain the black center square?

(The image is a 5x5 square separated with 1x1 squares. The black 1x1 square is in the center.)

 Sep 12, 2018
 #1
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I just answered this yesterday

 

here

 Sep 12, 2018

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