【例题】-4,2,18,22,( ),830
A.280 B.346 C.380 D.456
【例题】-3,-16,-27,0,125,432,( )
A.345 B.546 C.890 D.1029
【例题】0.2,6.8,-0.8,5.8,-1.8,4.8,( ),3.8
A.-2.8 B.3.8 C.-4.8 D.5.8
【例题】5,3,7,9,15,23,( )
A.27 B.31 C.35 D.37
【例题】0,2,2,5,4,7,( )
A.6 B.5 C.4 D.3
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