設(shè)2^2000-2^1999-2^1998-.-2-1=S
則2S=2^2001-2^2000-2^1999-2^19.-4-2
2S-S=2^2001-2^2000-2^2000+1
=2^2000*(2-1-1)+1
=0+1
=1
一道數(shù)學(xué)題,冪的運算
一道數(shù)學(xué)題,冪的運算
計算:2^2000-2^1999-2^1998-.-2-1
計算:2^2000-2^1999-2^1998-.-2-1
數(shù)學(xué)人氣:659 ℃時間:2020-05-19 05:45:14
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