发布网友 发布时间:2024-10-23 15:45
共2个回答
热心网友 时间:2024-11-02 11:01
3.9+0.1-3.9+0.1
=(3.9-3.9)+(0.1+0.1)
=0+0.2
=0.2
-----------------------------------------------------------------------------------------
热心网友 时间:2024-11-02 11:01
3.9+0.1-3.9+0.1
=(3.9-3.9)+0.1+0.1
=0.2