好的
原式
=1/32+1/64+1/128+1/256+1/512+1/1024+1/1024
=1/32+1/64+1/128+1/256+1/512+(1/1024+1/1024)
=1/32+1/64+1/128+1/256+1/512+1/512
=1/32+1/64+1/128+1/256+1/256
=........
=1/32+1/32
=1/16
好的
原式
=1/32+1/64+1/128+1/256+1/512+1/1024+1/1024
=1/32+1/64+1/128+1/256+1/512+(1/1024+1/1024)
=1/32+1/64+1/128+1/256+1/512+1/512
=1/32+1/64+1/128+1/256+1/256
=........
=1/32+1/32
=1/16