• Michal
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    3 months ago

    The way i calculate this, is knowing that 7 is 10-3, and 6 is 3+3.

    So, 7 + 6 = 10 + 3 = 13

    • rustyfish@lemmy.world
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      3 months ago

      Kinda the same.

      I need 3 to get to 10 from 7. After that just ad the rest (6-3). Resulting in 13.