2,3,7,25,121,( )A 256B512 C600 D 721
问题描述:
2,3,7,25,121,( )A 256B512 C600 D 721
答
2,3,7,25,121,(721 )A.256 B.512 C.600 D.7212*2-1=3 3*3-2=7 4*7-3=25 25*5-4=121 121*6-5=721
2,3,7,25,121,( )A 256B512 C600 D 721
2,3,7,25,121,(721 )A.256 B.512 C.600 D.7212*2-1=3 3*3-2=7 4*7-3=25 25*5-4=121 121*6-5=721