abacus的发明英语作文不用太多
<p>问题：abacus的发明英语作文不用太多<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">檀结庆的回答：<div class="content-b">网友采纳 Anabacus,alsocalledacountingframe,isacalculatingtoolusedprimarilyinpartsofAsiaforperformingarithmeticprocesses.Today,abaciareoftenconstructedasabambooframewithbeadssliding...
页:
[1]