0.8+0.88+0.888+0.8888+0.88888+0.888888

分类: 作业答案 • 2021-12-20 01:22:17

问题描述：

答

0.8乘以6+0.08乘以5+0.008乘以4+0.0008乘以3+0.00008乘以2+0.000008乘以1=4.8+0.4+0.032+0.0024+0.00016+0.00008=5.23464