• @brian@lemmy.ca
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    72 months ago

    You just casually dropping in that 832 is divisible by 8 makes me feel as if there’s a small gap in our abilities to do mental math

    • @sudo@lemmy.today
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      72 months ago

      832 is 800 + 32

      800 is obviously divisible by 8, so it can also be negated like the first few digits. 32 is also divisible by 8.