PugJesus@lemmy.worldM to NonCredibleDefense@lemmy.worldEnglish · 1 个月前At least you got a grease gunlemmy.worldimagemessage-square16fedilinkarrow-up1172arrow-down112
arrow-up1160arrow-down1imageAt least you got a grease gunlemmy.worldPugJesus@lemmy.worldM to NonCredibleDefense@lemmy.worldEnglish · 1 个月前message-square16fedilink
(a-b)(a+b) = a^2 + b^2
(a+ib)(a-ib) = a^2 + b^2