Signs of operation with negative numbers

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October 28, 2010 at 5:00 pm #10483

Chris Clemens
Keymaster

How do you show the following problem in braille?

-7+-9 = ?

This problem reads, negative seven plus negative nine equals ?
Do I use the dot 5 between the plus and the negative signs?
Thanks!
Laura

October 28, 2010 at 5:07 pm #20550

Chris Clemens
Keymaster

Yes, use the dot 5 to indicate that it is not a plus/minus sign.
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