按规律填数2.5,1,0.4,( )0.064,( )
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按规律填数2.5,1,0.4,()0.064,()按规律填数2.5,1,0.4,()0.064,()按规律填数2.5,1,0.4,()0.064,()2.5,1,0.4,(0.16),0.064,(0
按规律填数2.5,1,0.4,( )0.064,( )
按规律填数2.5,1,0.4,( )0.064,( )
按规律填数2.5,1,0.4,( )0.064,( )
2.5 ,1 ,0.4 ,(0.16),0.064,(0.0256). 每个除以2.5
38
0.16,0.0256
逐个递减2.5倍