999又8/9+99又8/9加9又8/9加1/3简便运算
问题描述:
999又8/9+99又8/9加9又8/9加1/3简便运算
答
999又8/9+99又8/9加9又8/9加1/3
=1000-1/9+100-1/9+10-1/9+1/3
=1110-1/3+1/3
=1110