2.5 0.75 0.225 ( ) ( ) 是找规律,

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2.50.750.225()()是找规律,2.50.750.225()()是找规律,2.50.750.225()()是找规律,2.50.750.225()()2.5×0.3=0.750.75×0.3=

2.5 0.75 0.225 ( ) ( ) 是找规律,
2.5 0.75 0.225 ( ) ( ) 是找规律,

2.5 0.75 0.225 ( ) ( ) 是找规律,
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 )

0.75=2.5*0.3
0.225=0.75*0.3
所以下面是0.0675,0.02025