求解,简便, 1+1/2+1/4+1/8+1/16
答案:7 悬赏:10 手机版
解决时间 2021-05-05 01:27
- 提问者网友:欲望失宠
- 2021-05-04 14:51
求解,简便, 1+1/2+1/4+1/8+1/16
最佳答案
- 五星知识达人网友:持酒劝斜阳
- 2021-05-04 15:15
=1+(1-1/2)+(1/2-1/4)+(1/4-1/8)+(1/8-1/16)
=1+1-1/2+1/2-1/4+1/4-1/8+1/8-1/16
=2-1/16
=1又15/16
=1+1-1/2+1/2-1/4+1/4-1/8+1/8-1/16
=2-1/16
=1又15/16
全部回答
- 1楼网友:人類模型
- 2021-05-04 18:23
解原式=1/16*(1+2+4+8+16)
=1/16*(31
=31/16
=1/16*(31
=31/16
- 2楼网友:夜余生
- 2021-05-04 17:25
如图
- 3楼网友:青尢
- 2021-05-04 17:06
1+1/2+1/4+1/8+1/16
=1+[1/2×(1-1/2^4)÷(1-1/2)]
=1+1/2×15/16÷1/2
=1+15/16
=1又15/16
=1+[1/2×(1-1/2^4)÷(1-1/2)]
=1+1/2×15/16÷1/2
=1+15/16
=1又15/16
- 4楼网友:長槍戰八方
- 2021-05-04 16:35
=1+1+0.5+0.25+0.125+0.0625
- 5楼网友:梦中风几里
- 2021-05-04 16:22
简便
- 6楼网友:几近狂妄
- 2021-05-04 15:54
求解,简便, 1+1/2+1/4+1/8+1/16
解:根据通分的运用,
原式=1+(2/4+1/4)+(2/16+1/16)
=1+3/4+3/16
=1+12/16+3/16
=1+15/16
=1又15/16
解:根据通分的运用,
原式=1+(2/4+1/4)+(2/16+1/16)
=1+3/4+3/16
=1+12/16+3/16
=1+15/16
=1又15/16
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