先找出规律,再填数①1,1.1,1.3,1.6,( ),( ),3.1,( )②0.81,0.64,0.49,0.36,( ),( ),( )③1.5,0.75,0.375,( ),( )

问题描述:

先找出规律,再填数
①1,1.1,1.3,1.6,( ),( ),3.1,( )
②0.81,0.64,0.49,0.36,( ),( ),( )
③1.5,0.75,0.375,( ),( )

①1,1.1,1.3,1.6,(2.0),(2.5),3.1,(3.8)
②0.81,0.64,0.49,0.36,(0.25),(0.16),( 0.09)
③1.5,0.75,0.375,(0.1875),(0.09375)

1,1.1,1.3,1.6,( 2.0 ),(2.5 ),3.1,(3.8 )
从1开始,依次加0.1,0.2,0.3,0.4,0.5,0.6,0.7
②0.81,0.64,0.49,0.36,( 0.25 ),( 0.16),( 0.09 )

①1,1.1,1.3,1.6,( 2.0 ),(2.5 ),3.1,(3.8 )
从1开始,依次加0.1,0.2,0.3,0.4,0.5,0.6,0.7
②0.81,0.64,0.49,0.36,( 0.25 ),( 0.16),( 0.09 )
平方的关系
③1.5,0.75,0.375,( 0.1875 ),( 0.09375)
除以2

1. 2.0 2.5 3.82. 0.25 0.16 0.093. 0.1875 0.09375