15.75+3.59-0.59+14.25简便计算实

分类: 作业答案 • 2021-12-19 16:39:25

问题描述：

15.75+3.59-0.59+14.25简便计算
实

答

(15.75+14.25)+(3.59-0.59)=33

答

15.75+3.59-0.59+14.25
=15.75+14.25+3.59-0.59
=30+3.59-0.59
=33.59-0.59
=33

答

=(14.25+15.75)+(3.59-0.59)
=30+3
=33

答

15.75+3.59-0.59+14.25=
（15.75+14.25）+3.59-0.59=30+3=33