用两种方法计算2/1+4/1+8/1+16/1+32/1+64/1_数学解答

用两种方法计算2/1+4/1+8/1+16/1+32/1+64/1

人气：498 ℃　时间：2020-05-22 00:02:06

解答

1/2+1/4+1/8+1/16+1/32+1/64=1/2+1/4+1/8+1/16+1/32+1/64+1/64-1/64=1/2+1/4+1/8+1/16+1/32+1/32-1/64=1/2+1/4+1/8+1/16+1/16-1/64=1/2+1/4+1/8+1/8-1/64=1/2+1/4+1/4-1/64=1/2+1/2-1/64=1-1/64=63/641/2+1/4+1/8+1/...