35.14+(21.09-15.04)
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/20 03:36:18
35.14+(21.09-15.04)
35.14+(21.09-15.04)
35.14+(21.09-15.04)
35.14+(21.09-15.04)=35.14-15.04+21.09=20.1+21.09=41.19加法交换律
35.14+(21.09-15.04)
=35.14-15.04+21.09
=20.1+21.09
=21.19
35.14+(21.09-15.04)
=35.14+6.05
41.09
35.14+(21.09-15.04)
=35.14-15.04+21.09
=20+21.09
=41.09
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