1/2+1/4+1/8+1/16+1/32+...+1/1024简便计算
人气:411 ℃ 时间:2019-10-17 06:16:13
解答
你好: 1/2+1/4+1/8+1/16+1/32+...+1/1024=(1-1/2)+(1/2-1/4)+(1/4-1/8)+(1/8-1/16)…………+(1/152-1/1024)=1-1/2+1/2-1/4+1/4-1/8+1/8-1/16…………+1/152-1/1024=1-1/1024=1023/1024...
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