来自林贻鸿的问题
用英语哦,介绍一下算盘的来历和用途帮我用英语写篇介绍算盘的作文吧,,100个词够了,thangyou
用英语哦,介绍一下算盘的来历和用途
帮我用英语写篇介绍算盘的作文吧,,100个词够了,thangyou
1回答
2020-08-08 16:10
用英语哦,介绍一下算盘的来历和用途帮我用英语写篇介绍算盘的作文吧,,100个词够了,thangyou
用英语哦,介绍一下算盘的来历和用途
帮我用英语写篇介绍算盘的作文吧,,100个词够了,thangyou
Anabacus,alsocalledacountingframe,isacalculatingtoolusedprimarilybyAsiansforperformingarithmeticprocesses.Nowadays,abaciareoftenconstructedasawoodenframewithbeadsslidingonwires,butoriginallytheywerebeadsorstonesmovedingroovesinsandorontabletsofwood,stone,ormetal.TheabacuswasinusecenturiesbeforetheadoptionofthewrittenmodernnumeralsystemandisstillwidelyusedbymerchantsandclerksinChina,Japan,Africa,Indiaandelsewhere.
Theuserofanabacusiscalledanabacist;heorsheslidesthebeadsoftheabacusbyhand.