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2.1-2.09=0.01,0.01×45=0.45,0.045÷0.45=0.1列成综合算式

分类: 作业答案 • 2022-02-21 18:42:41

问题描述：

2.1-2.09=0.01,0.01×45=0.45,0.045÷0.45=0.1列成综合算式

答

（2.1-2.09）×45÷0.45
=0.01×45÷0.45
=0.045÷0.45
=0.1