-
63,26,7,0,-1,-2,-9,() A、-18;B、-20;C、-26;D、-28;
-
63,26,7,0,-1,-2,-9,() A、-18;B、-20;C、-26;D、-28;
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134,68,36,21,() A.18 B.14.5C.12 D.9
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3,1/2,9, 1/8,(), 1512 A.18B.29C.81D.36
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-7,0,1,2,9,()A.16B.28C.36 D.18
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26,7,0,-1,-2,-9,()A.-18 B.-20 C.-26 D.-28
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1.01 4.04 9.09 16.16 ()。A.18.36B.25.30C.20.50D.25