KA-0047
about 135sOn a 4 by 4 board, how many aligned squares of any size are there, counting 1 by 1, 2 by 2, 3 by 3 and 4 by 4?
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Needs an idea, not just a procedure.
3 in a row to finish this ladder.
0/2 solvedOn a 4 by 4 board, how many aligned squares of any size are there, counting 1 by 1, 2 by 2, 3 by 3 and 4 by 4?