3.9 0.39 0.039 0.0039 0.00039计算题怎么算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/29 12:46:42
3.90.390.0390.00390.00039计算题怎么算3.90.390.0390.00390.00039计算题怎么算3.90.390.0390.00390.00039计算题怎么算3.9+0.3

3.9 0.39 0.039 0.0039 0.00039计算题怎么算
3.9 0.39 0.039 0.0039 0.00039计算题怎么算

3.9 0.39 0.039 0.0039 0.00039计算题怎么算
3.9+0.39+0.039+0.0039+0.00039
=3.9*(1+0.1+0.01+0.001+0.0001)
=3.9*1.1111
=4.33329

3.9+0.39+0.039+0.0039+0.00039
=3.9*(1+0.1+0.01+0.001+0.0001)
=3.9*1.1111
=4.33329