应该是1-1/2-1/4-1/8-1/16-1/32-1/64-1/128吧!
=1/2-1/4-1/8-1/16-1/32-1/64-1/128
=1/4-1/8-1/16-1/32-1/64-1/128
=1/8-1/16-1/32-1/64-1/128
=1/16-1/32-1/64-1/128
=1/32-1/64-1/128
=1/64-1/128
=1/128
1-2/1-4/1-8/1-16/1-32/1-64/1-128/1
2个回答
相关问题
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已知1/128+1/128=1/64,1/64+1/64=1/32那1/2+1/4+1/8+1/16+1/32+1/12
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[1/2]+[1/4]+[1/8]+[1/16]+[1/32]+[1/64]+[1/128]．
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1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
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计算：1-2\1-4\1-8\1-16\1-32\1-64\1-128\1=?
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1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256
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1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256=?
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1/2-1/4-1/8-16/1-32/1-64/1-128/1-256/1
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1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
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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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1-1/2+1/4-1/8+1/16-1/32+1/64-1/128+1/128+1/256-1/512