1.83+3.79+0.17怎样简便计算

分类: 作业答案 • 2021-12-19 15:51:48

问题描述：

答

1.87+0.17+3.79就行了。。

答

=(1.83+0.17)+3.79
=2+3.79
=5.79

答

根据加法交换律
1.83+3.79+0.17
=1.83+0.17+3.79
=2+3.79
=5.79

答

解
1.83+3.79+0.17
=(1.83+0.17)+3.79
=2+3.79
=5.79