1:4812-943+1312:16.28+5.395-1.18-4.305

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 19:44:13

1:4812-943+1312:16.28+5.395-1.18-4.305
1:4812-943+131
2:16.28+5.395-1.18-4.305

1:4812-943+1312:16.28+5.395-1.18-4.305
1:4812-943+131=4812+131-943=4943-943=4000
2:16.28+5.395-1.18-4.305=(16.28-1.18)+(5.395-4.305)=5.1+1.09=6.19

4000
16.19

4812-(943-131)=4000
(16.28-1.18)+(5.395-4.305)=16.19