定义:a是不为1的有理数,我们把1/1-a称为a的差倒数如:2的倒差数是1/1-2=-1,-1的倒差数是1/1+1=1/2.已知a1=1/3,a2是a1的倒差数,a2=( );a3是a2的倒差数,a3=( );a4是a3的倒差数,a4=( ),…,以此类推,则a2013=(
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![定义:a是不为1的有理数,我们把1/1-a称为a的差倒数如:2的倒差数是1/1-2=-1,-1的倒差数是1/1+1=1/2.已知a1=1/3,a2是a1的倒差数,a2=( );a3是a2的倒差数,a3=( );a4是a3的倒差数,a4=( ),…,以此类推,则a2013=(](/uploads/image/z/546019-43-9.jpg?t=%E5%AE%9A%E4%B9%89%3Aa%E6%98%AF%E4%B8%8D%E4%B8%BA1%E7%9A%84%E6%9C%89%E7%90%86%E6%95%B0%2C%E6%88%91%E4%BB%AC%E6%8A%8A1%2F1-a%E7%A7%B0%E4%B8%BAa%E7%9A%84%E5%B7%AE%E5%80%92%E6%95%B0%E5%A6%82%EF%BC%9A2%E7%9A%84%E5%80%92%E5%B7%AE%E6%95%B0%E6%98%AF1%2F1-2%3D-1%2C-1%E7%9A%84%E5%80%92%E5%B7%AE%E6%95%B0%E6%98%AF1%2F1%2B1%3D1%2F2.%E5%B7%B2%E7%9F%A5a1%3D1%2F3%2Ca2%E6%98%AFa1%E7%9A%84%E5%80%92%E5%B7%AE%E6%95%B0%2Ca2%3D%28+%29%EF%BC%9Ba3%E6%98%AFa2%E7%9A%84%E5%80%92%E5%B7%AE%E6%95%B0%2Ca3%3D%28+%29%EF%BC%9Ba4%E6%98%AFa3%E7%9A%84%E5%80%92%E5%B7%AE%E6%95%B0%2Ca4%3D%28+%29%2C%E2%80%A6%2C%E4%BB%A5%E6%AD%A4%E7%B1%BB%E6%8E%A8%2C%E5%88%99a2013%3D%EF%BC%88)
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定义:a是不为1的有理数,我们把1/1-a称为a的差倒数如:2的倒差数是1/1-2=-1,-1的倒差数是1/1+1=1/2.已知a1=1/3,a2是a1的倒差数,a2=( );a3是a2的倒差数,a3=( );a4是a3的倒差数,a4=( ),…,以此类推,则a2013=(
定义:a是不为1的有理数,我们把1/1-a称为a的差倒数
如:2的倒差数是1/1-2=-1,-1的倒差数是1/1+1=1/2.已知a1=1/3,a2是a1的倒差数,a2=( );a3是a2的倒差数,a3=( );a4是a3的倒差数,a4=( ),…,以此类推,则a2013=( )
定义:a是不为1的有理数,我们把1/1-a称为a的差倒数如:2的倒差数是1/1-2=-1,-1的倒差数是1/1+1=1/2.已知a1=1/3,a2是a1的倒差数,a2=( );a3是a2的倒差数,a3=( );a4是a3的倒差数,a4=( ),…,以此类推,则a2013=(
a2=3/2
a3=-2
a4=1/3
a5=3/2
a5=a2
a2=a(2+3n)
a2013=a(3+3*670)=a3=-2
-2