5871/103+(247+82)/5-1简便算法
问题描述:
5871/103+(247+82)/5-1简便算法
答
5871/103+(247+82)/5-1
=(5150+721)/103+(250-3+80+2)/5-1
=50+6+50+16-1/5-1
=121-1/5
=604/5