From Brain Busters! Mind-Stretching Puzzles in Math and Logic by Barry R. Clarke.
“___________ + _______________ = ____________
Fill each each line (somehow using 2 digits) with the digits 1-6 (using each digit only once) to make the equation true.
so, it could be 15+42 = 63. But most likely not.
There is more than one solution.
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