按规律填空:2.1 10.2 30.3 68.4 ()

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按规律填空:2.110.230.368.4()按规律填空:2.110.230.368.4()按规律填空:2.110.230.368.4()130.5理由1*1*1+1=22*2*2+2=103*3*3

按规律填空:2.1 10.2 30.3 68.4 ()
按规律填空:2.1 10.2 30.3 68.4 ()

按规律填空:2.1 10.2 30.3 68.4 ()
130.5
理由
1*1*1+1 =2
2*2*2+2 =10
3*3*3+3 =30
4*4*4+4 =68
5*5*5+5 =130
小数点后依次是1.2.3.4 .5