1.83+3.79+0.17怎样简便计算

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/16 23:35:05

1.83+3.79+0.17怎样简便计算

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


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

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

1.87+0.17+3.79就行了。。