根3精确到1,0.1,0.01…10的负六次方的不足近似值与过剩近似值构成的数列

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1,1.7,1.72,1.731,1.7319,1.73204,1.732049.
2,1.7,1.74,1.732,1.7321,1.73206,1.732051.