1/2+1/4+1/8+．．．．．．+1/64
=1/2+1/4+1/8+．．．．．．+1/64+1/64-1/64
=1-1/64
=63/64
1/2+1/4+1/8+．．．．．．+1/64
4个回答
相关问题
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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)+(1/23)+(1/64)
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(2+1)({2}^{2}+1)({2}^{4}+1)({2}^{8}+1).({2}^{64}+1)+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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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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2/1+4/1+8/1+16/1+32/1+64/1+123/1
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-64*[-2(-1/4+1/6)+81/(-27/8)