345-(427-274)j简算

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345-(427-274)j简算

345-(427-274)j简算
345-(427-274)j简算

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