时间:2024-10-16 03:59:11
1、=3.17+(0.5-0.1)x1.6
2、=3.17+0.5x1.6-0.1x1.6
3、=3.17+0.8-0.16
4、=0.16+3.01+0.8-0.16
5、=3.81