3,8,22,62,178,( ) A.518 B.516 C.548 D.546
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3,8,22,62,178,( ) A.518 B.516 C.548 D.546
3,8,22,62,178,( ) A.518 B.516 C.548 D.546
3,8,22,62,178,( ) A.518 B.516 C.548 D.546
A.3×3-1=8,8×3-2=22,22×3-4=62,62×3-8=178,178×3-16=(518)
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