1.83+3.79+0.17怎样简便计算
来源:学生学帮网 编辑:学帮网 时间:2024/06/01 12:38:16
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
解
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。。