7.8*37–3.7*68怎么简便?

来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/24 19:16:57
7.8*37–3.7*68怎么简便?7.8*37–3.7*68怎么简便?7.8*37–3.7*68怎么简便?7.8*37–3.7*68=78*3.7-3.7*68=3.7*(78-68)=3.7*10

7.8*37–3.7*68怎么简便?
7.8*37–3.7*68怎么简便?

7.8*37–3.7*68怎么简便?
7.8*37–3.7*68
=78*3.7-3.7*68
=3.7*(78-68)
=3.7*10
=37

7.8*37–3.7*68
=3.7*(78-68)
=3.7*10
=37