嗨,你这个打的有问题吧,应该是1/2+1/4+1/8+……+1/512+1/1024吧那么计算就是1/2+1/4+1/8+……+1/512+1/1024+1/1024-1/1024=1/2+1/4+1/8+……+1/256+1/512+1/512-1/1024=1/2+1/4+1/8+……+1/256+1/256-1/1024=……=1/...