-1,2,-4,8,-16,32...第N个数是多少(含N)
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-1,2,-4,8,-16,32...第N个数是多少(含N)
-1,2,-4,8,-16,32...第N个数是多少(含N)
-1,2,-4,8,-16,32...第N个数是多少(含N)
N=[2^(N-1)]*[(-1)^N]
-1,2,-4,8,-16,32...第N个数是多少(含N)
-1,2,-4,8,-16,32...第N个数是多少(含N)
-1,2,-4,8,-16,32...第N个数是多少(含N)
N=[2^(N-1)]*[(-1)^N]