来自苏荣才的问题
【[17.1-17.2÷(3.1-0.7)]×0.6】
[17.1-17.2÷(3.1-0.7)]×0.6
1回答
2020-05-31 10:02
【[17.1-17.2÷(3.1-0.7)]×0.6】
[17.1-17.2÷(3.1-0.7)]×0.6
[17.1-17.2÷(3.1-0.7)]×0.6
=[17.1-17.2÷2.4)]×0.6
=17.1×0.6-17.2÷(2.4/0.6)
=10.26-4.3
=5.96