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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