1. 3,9,15,33,( )A.75 B.63 C.48 D.342. 8,12,18,27,( )A.39 B.37 C.40.5 D.42.53. 2,8,24,64,( )A.160 B.512 C.124 D.1644. 2,5,11,56,( )A.126 B.617 C.1124 D.92
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