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Daily puzzle #10
Thursday, October 22: number analogies. Three tries.
[ 11 → 31 ] [ 12 → 32 ] [ 21 → ? ]
Find the rule that turns each first number into the second. Which number should replace the question mark?
Thursday, October 22: number analogies. Three tries.
[ 11 → 31 ] [ 12 → 32 ] [ 21 → ? ]
Find the rule that turns each first number into the second. Which number should replace the question mark?