Symmetrical 67454
How many more squares in the grid in the picture need to be painted to make it centrally symmetrical?
square - x
This is a sketch of a grid where the colored squares are x.
Thank you, Lucy
square - x
x | o | o | x |
---|---|---|---|
o | o | x | o |
x | o | o | o |
o | x | o | o |
This is a sketch of a grid where the colored squares are x.
Thank you, Lucy
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