ickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 2 years agoPaniki.postimg.ccimagemessage-square147linkfedilinkarrow-up11.31Karrow-down151
arrow-up11.25Karrow-down1imagePaniki.postimg.ccickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 2 years agomessage-square147linkfedilink
minus-squarestebo@sopuli.xyzlinkfedilinkarrow-up17·2 years agohttps://math.stackexchange.com/questions/341202/how-to-prove-the-divisibility-rule-for-3-casting-out-threes
https://math.stackexchange.com/questions/341202/how-to-prove-the-divisibility-rule-for-3-casting-out-threes