1/2+1/4+1/8+1/16+1/32=1-1/2+1/2-1/4+1/4-1/8+1/8-1/16+1/16-1/32=1-1/32=31/32
1/2+1/4+1/8+1/16+1/32=
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相关问题
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1/(a+1)+2/(1+a^2)+4/(1+a^4)+8/(1+a^8)+16/(1+a^16)-32/(1-a^32
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1/2+1/4+1/8+1/16+1/32+1/64简便运算=﹙1/2+1/4+1/8+1/16+1/32+1/64+1
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1/2+(-1/4)+(-1/8)+(-1/16)+(-1/32)
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2/1+4/1+8/1+16/1+32/1
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巧算1-(4/8-8/1)-(8/1-16/1)-(16/1-32/1)-(32/1-64/1)
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2/1+4/1+8/1+16/1+32/1……+1024/1=
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1/2+1/4+1/8+1/16+1/32+…+1/1024=?
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1/2+1/4+1/8+1/16+1/32……+1/1024
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2/1+4/1+4/1+6/1+8/1+16/1+32/1=?
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1-1/2-1/4-1/8-1/16-1/32-1/64=?