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375-298怎么简便计算

来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/09/22 08:21:18
375-298怎么简便计算
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375-298怎么简便计算
375-298
=375-(300-2)
=375-300+2
=75+2
=77