1025/1024+1025/512+1025/256+1025/4+1025/2的值是多少?

1025/1024+1025/512+1025/256+1025/4+1025/2=1025/1024+2*1025/1024+4*1025/1024+256*1025/1024+512*1025/1024=(1+2+4+256+512)*1025/1024=775*1024/1024=794375/1024