(10000-1000-100-10)除以10急,简便
问题描述:
(10000-1000-100-10)除以10
急,简便
答
889
答
=10000/10-1000/10-100/10-10/10
=1000-100-10-1=889
答
(10000-1000-100-10)÷10
=10000÷10-1000÷10-100÷10-10÷10
=1000-100-10-1
=889