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[2.25+(335

来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/05/01 04:22:47
[2.25+(3
3
5
[2.25+(3
3
5÷1.8-1.21×
5
11)]÷40%,
=[2.25+(
18

9
5-0.55)]÷40%,
=[2.25+(
18

5
9-0.55)]÷40%,
=[2.25+(2-0.55)]÷40%,
=[2.25+(2-0.55)]÷40%,
=3.7÷0.4,
=9.25.