percent
1560s, per cent, from Mod.L. per centum "by the hundred" (see per and hundred). Until early 20c. often treated as an abbreviation and punctuated accordingly
decimal
c.1600, from M.L. decimalis "of tithes or tenths," from L. decimus "tenth," from decem "ten" (see ten). Applied to Arabic notation before modern sense of "decimal fractions" emerged. As a noun from 1640s.
内容全部来源于网络收集，如有侵权，请联系网站删除！
QQ：24596024