1/2+1/4+1/6+1/8+1/16+1/32+1/64 = (32 + 16 +8 + 4 +2 +1) / 64 +1/6 = 63/64 +1/6 = 189/192 + 32/192 = 221/192
1/2+1/4+1/6+1/8+1/16+1/32+1/64=拜托了各位
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相关问题
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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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巧算1-(4/8-8/1)-(8/1-16/1)-(16/1-32/1)-(32/1-64/1)
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1-1/2-1/4-1/8-1/16-1/32-1/64=?
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1-1/2-1/4-1/8-1/16-1/32-1/64
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64,64,32,8,1,( 64,64,32,8,1,( )( )里填什么?A,1/16B,1/8C,1/4D,1/2
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[1/2]+[1/4]+[1/8]+[1/16]+[1/32]+[1/64]+[1/128].
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2/1+4/1+8/1+16/1+32/1+64/1+123/1
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有理数巧算1/2+1/4+1/8+1/16+1/32+1/64麻烦了
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1/2-1/4-1/-1/8-1/16-1/32-1/64----------1/1024
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1-2/1-4/1-8/1-16/1-32/1-64/1-128/1