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Lapā Šumera:
"Iespējams, ka šumeru rakstība ir pati senākā pasaulē, kas tika lietota jau ceturtā gadu tūkstoša vidū p.m.ē.[nepieciešama atsauce]. Šumeri lietoja tā saucamo sešdesmitnieku skaitīšanas sistēmu, kuras pamatā bija skaitlis 60. Šīs skaitīšanas sistēmas ietekme ir saglabājusies līdz mūsdienām (sekunžu skaits stundā, leņķa grādu skaits). Šumeriem galvenais preču pārvietošanas veids bija ūdens, bet pa sauszemi viņi vilka preci uz baļķiem, bet tas bija grūti un viņi izgudroja riteni lai preci pārvietot būtu vieglāk.
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