2.5 0.75 0.225 ( ) ( ) 是找规律,
问题描述：
2.5 0.75 0.225 ( ) ( ) 是找规律,
答
2.5 0.75 0.225 ( ) ( )
2.5×0.3=0.75
0.75×0.3=0.225
0.225×0.3=0.0675
0.0675×0.3=0.02025
则 2.5 0.75 0.225 ( 0.0675) (0.02025 )