一、1/2,1,7/5,13/7,21/11,( ) A.35/18 B.29/16 C.31/13 D.33/17二、6,4,12,8,18,16,( ),( ) A.24,18 B.20,32 C.24,32 D.18,64三、7,8,11,7,15,( ),19,5 A.8 B.6 C.11 D.19四、64,2,27,( ),8,2,1,1 A.25 B.5 C.23 D.3五、2,4,7,21,( ),96 A.24 B.27 C.54 D.81
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