1-1/2-1/4-1/8-1/16-1/32-.-1/512-1/1024(简便计算)
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1-1/2-1/4-1/8-1/16-1/32-.-1/512-1/1024(简便计算)
1-1/2-1/4-1/8-1/16-1/32-.-1/512-1/1024(简便计算)
1-1/2-1/4-1/8-1/16-1/32-.-1/512-1/1024(简便计算)
依题意得
原式=1-1/2-1/4-1/8-1/16-1/32-…-1/1024
=1/2-(1/2-1/4)-(1/4-1/8)-(1/8-1/16)-(1/16-1/32)-...(1/512-1/1024)
=1/2-1/2+1/4-1/4+1/8-1/8+1/16-1/16+1/32-...-1/512+1/1024
=1/1024
希望能帮到你!
1/1024
等于1/1024