174.68+274.68+524.68+724.68+924.68

来源：学生作业帮编辑：灵鹊做题网作业帮分类：数学作业时间：2024/04/29 10:55:44

174.68+274.68+524.68+724.68+924.68=124.68+324.68+524.68+724.68+924.68
=524.68*5=524.68*10/2=2623.4