themaninblack@lemmy.world to memes@lemmy.world · 3 days agoMath(s)lemmy.worldexternal-linkmessage-square42fedilinkarrow-up1580arrow-down129
arrow-up1551arrow-down1external-linkMath(s)lemmy.worldthemaninblack@lemmy.world to memes@lemmy.world · 3 days agomessage-square42fedilink
minus-squareAlenalda@lemmy.worldlinkfedilinkarrow-up4·2 days agoWhen I was young I learned that when you add up all the numbers if that number is a multiple of 3 than the original number is also divisible by 3. So 51, 5+1=6 and 6 divisible by 3 and so must 51.
When I was young I learned that when you add up all the numbers if that number is a multiple of 3 than the original number is also divisible by 3. So 51, 5+1=6 and 6 divisible by 3 and so must 51.