问题
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81,64,121,36,(),16 A.144B.169C.196D.25
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1,1/2,3/13,1/10,5/121,()。A. 7/144B. 3/182C. 5/169 D. 9/196
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81,64,121,36()16 A.144 B.169 C.196 D.225
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81,64,121,36,(),16 A.144 B.169 C.196 D.225
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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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81,64,121,36,(),16 A.144 B.169 C.196 D.25