(41.7+19.6+23.85)+(10.4+26.15)怎么简便

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/13 02:20:43

(41.7+19.6+23.85)+(10.4+26.15)怎么简便
(41.7+19.6+23.85)+(10.4+26.15)怎么简便

(41.7+19.6+23.85)+(10.4+26.15)怎么简便
(41.7+19.6+23.85)+(10.4+26.15)
=41.7+19.6+23.85+10.4+26.15
=41.7+(19.6+10.4)+(23.85+26.15)
=41.7+30+50
=121.7