1.

What are the possible values digits A and B can take for ⎛⎜⎜⎝1A−BB⎞⎟⎟⎠ to hold true.

Answer»

What are the possible values digits A and B can take for
⎛⎜
⎜
⎝
1A−BB⎞⎟
⎟
⎠
to hold true.




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