345-(427-274)j简算

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/08 23:31:53

345-(427-274)j简算

345-(427-274)
=345-427+274
=345+274-437
=619-437
=182

345-(427-274)
=345-427+274
=619-427
=10+609-407-20
=202-10
=192