问题
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81,64,121,36,(),16 A.144B.169C.196D.25
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81,64,121,36,(),16 A.144 B.169 C.196 D.25
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1,1/2,3/13,1/10,5/121,()。 A.7/144 B.3/182 C.5/169 D.9/196
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1,4,9,25,64,()。A.81 B.100 C.121 D.169
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1,9,25,49,121,() A.144 B.154 C.169 D.177
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4.1,9.4,25.9,49.16,121.25,()A.169.36B.169.49C.289.36D.289.49