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1.1111*1.9999-0.1111*0.9999

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/21 23:10:08
1.1111*1.9999-0.1111*0.9999
1.1111×1.9999-0.1111×0.9999
=1.1111×(1+0.9999)-0.1111×0.9999
=1.1111×1+1.1111×0.9999-0.1111×0.9999
=1.1111+(1.1111-0.1111)×0.9999
=1.1111+1×0.9999
=1.1111+0.9999
=2.111
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