你的问题应该是1-1/2-1/4-1/16-1/32-1/64-1/128-1/256吧 原式=1-(1-1/2)-(1/2-1/4)-(1/4-1/8)-(1/8-1/16)-(1/16-1/32)-(1/32-1/64)-(1/64-1/128)-(1/128-1/256)=1-1+1/2-1/2+1/4-1/4+1/8-1/8+1/16-1/16-+1/32-1/32+1/64-1/64+1/128-1/128+1/256=1/256
1-2/1-4/1-8/1-16/1-32/1-64/1-128/1-256/1的简便算法.急.
2个回答
相关问题
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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+2+4+8+16+32+64+128简便算法
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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+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+2\1+4\1+8\1+16\1+32\1+64\1+128\1+256\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+4/1+8/1+16/1+32/1+64/1+128/1+256/1