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"Mind teaser"

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Fri 24/08/01 at 00:02
Regular
Posts: 787
Since you all seem so intelligent here is a quick puzzle.

Move one digit in the following equation to make it true:

101-102=1
Fri 24/08/01 at 00:22
Regular
"Picking a winner!"
Posts: 8,502
ok the only way i can get it to work is to raise the 2 in the 102 bit to a power.

101-10 ^2 =1 which gives 101-100=1 but im not sure if that counts
Fri 24/08/01 at 00:09
Posts: 0
No, if you move that one to the other side of the equation you get

101-102-1=

which doesn't make sense.
Fri 24/08/01 at 00:07
Regular
"Picking a winner!"
Posts: 8,502
what do you mean by move?
If you take the 1 on the right and add it to the 101 on the left you get 102-102=0 which is true but im not sure if by move you mean you can add or subtract.
Fri 24/08/01 at 00:02
Posts: 0
Since you all seem so intelligent here is a quick puzzle.

Move one digit in the following equation to make it true:

101-102=1

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