1/2+1/4+1/8+1/16+.1/256+1/512
=1/2+1/4+1/8+1/16+.1/256+1/512+1/512-1/512
=1/2+1/4+1/8+1/16+.1/256+1/256-1/512
=1/2+1/4+1/8+1/16+.1/128-1/512
=...
=1/2+1/2-1/512
=1-1/512
=511/512
1/2+1/4+1/8+1/16+.+1/512结果是多少
2个回答
相关问题
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1/2+1/4+1/8+1/16+······+1/512
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1+1/2+1/4+1/8+1/16+.+1/512
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1/2+1/4+1/8+1/16+1/32+1/64+...+1/512+1/1024等于多少?
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1+1?2+2?4+4?8+8?16+16?32+32 64+64 128+128 256+256 512+512 10
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2\1+4\1+8\1+16\1+64\1+128\1+256\1+512\1
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1,2,4,8,16,32,（ ）,128,（ ）,512...
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1/1024+1/512+1/256+……+1/2+2+4+8+……+512=
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2/1+4/1+8/1+16/1+32/1+64/1+128/1+256/1+512/1+1024/1=?
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1-1/2+1/4-1/8+1/16-1/32+1/64-1/128+1/128+1/256-1/512
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计算1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256+1/512+1/1024