来自李铭的问题
用简便方法计算:0.9+0.99+0.999+0.9999+0.99999
用简便方法计算:0.9+0.99+0.999+0.9999+0.99999
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2020-12-21 05:00
用简便方法计算:0.9+0.99+0.999+0.9999+0.99999
用简便方法计算:0.9+0.99+0.999+0.9999+0.99999
0.9+0.99+0.999+0.9999+0.99999
=(1-0.1)+(1-0.01)+(1-0.001)+(1-0.0001)+(1-0.00001)
=5-0.11111
=4.88889