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的差倒数是1/1-2=-1,-1的差倒数是1/1-( -1)=1/2.已知a1=-1/3.a2是a1的差倒数,a3是a2的差倒数,a4是a3的差倒数,a4是a5的差倒数,...依此类推(1)计算a
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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的差倒数是1/1-2=-1,-1的差倒数是1/1-( -1)=1/2.已知a1=-1/3.a2是a1的差倒数,a3是a2的差倒数,a4是a3的差倒数,a4是a5的差倒数,...依此类推(1)计算a](/uploads/image/z/337280-32-0.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%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%2C%E5%A6%822%E7%9A%84%E5%B7%AE%E5%80%92%E6%95%B0%E6%98%AF1%2F1-2%3D-1%2C-1%E7%9A%84%E5%B7%AE%E5%80%92%E6%95%B0%E6%98%AF1%2F1-%EF%BC%88+-1%EF%BC%89%3D1%2F2.%E5%B7%B2%E7%9F%A5a1%3D-1%2F3.a2%E6%98%AFa1%E7%9A%84%E5%B7%AE%E5%80%92%E6%95%B0%2Ca3%E6%98%AFa2%E7%9A%84%E5%B7%AE%E5%80%92%E6%95%B0%2Ca4%E6%98%AFa3%E7%9A%84%E5%B7%AE%E5%80%92%E6%95%B0%2Ca4%E6%98%AFa5%E7%9A%84%E5%B7%AE%E5%80%92%E6%95%B0%2C...%E4%BE%9D%E6%AD%A4%E7%B1%BB%E6%8E%A8%EF%BC%881%EF%BC%89%E8%AE%A1%E7%AE%97a)
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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的差倒数是1/1-2=-1,-1的差倒数是1/1-( -1)=1/2.已知a1=-1/3.a2是a1的差倒数,a3是a2的差倒数,a4是a3的差倒数,a4是a5的差倒数,...依此类推(1)计算a
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的差倒数是1/1-2=-1,-1的差倒数是1/1-( -1)=1/2.已知a1=-1/3.a2是a1的差倒数,a3是a2的差倒数,a4是a3的差倒数,a4是a5的差倒数,...依此类推
(1)计算a2,a3,a4,a5的差倒数,
(2)求a2012的值.
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的差倒数是1/1-2=-1,-1的差倒数是1/1-( -1)=1/2.已知a1=-1/3.a2是a1的差倒数,a3是a2的差倒数,a4是a3的差倒数,a4是a5的差倒数,...依此类推(1)计算a
由题可知:a2=3/4;a3=4;a4=-1/3;a5=3/4
得其差倒数分别为:4;-1/3;3/4;4
a2012=3/4
。。。。。。。。。。。。。。。。。。
123
神经病
a1=-1/3,a2=a1的差倒数=3/4,a3=a2的差倒数=4,a4=a3的差倒数=-1/3,.......
依次类推,1到3,4到6,7到9.。。。。3个一个轮回,所以,2012刚搞是3的67次又2,所以a2012=3/4.
A2=4/3
A3=-3
A4=1/4
A5=4/3
A2012=1/4