1/2+1/4+1/8+.+1/4096=(1-1/2)+(1/2-1/4)+(1/4-1/8)+(1/8-1/16)+.+(1/2048-1/4096)
=1-1/2+1/2-1/4+1/4-1/8+1/8-1/16+.+1/1024-1/2048+1/2048-1/4096
=1-1/4096
=4095/4096
1/2+1/4+1/8+.+1/4096
3个回答
相关问题
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简算：1/2+1/4+1/8+1/16+1/32+…+1/4096=（）
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简算题 4096/1+2048/1+1024/1+.+16/1+8/1+4/1+2/1
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