发布网友 发布时间:2024-10-23 15:45
共4个回答
热心网友 时间:2024-10-29 04:50
3.9+0.1-3.9+0.1
=3.9-(3.9-0.1)+0.1
=3.9-3.8+0.1
=0.2
热心网友 时间:2024-10-29 04:50
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:2024-10-29 04:50
3.9-3.9+0.1+0.1
热心网友 时间:2024-10-29 04:50
3.9-3.9+0.1+0.1