1/2+(-1/4)+(-1/8)+(-1/16)+…+(-1/256)+(-1/512)+(-1/1024)如图第(3)题.
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1/2+(-1/4)+(-1/8)+(-1/16)+…+(-1/256)+(-1/512)+(-1/1024)如图第(3)题.
1/2+(-1/4)+(-1/8)+(-1/16)+…+(-1/256)+(-1/512)+(-1/1024)
如图第(3)题.
1/2+(-1/4)+(-1/8)+(-1/16)+…+(-1/256)+(-1/512)+(-1/1024)如图第(3)题.
1/2+(-1/4)+(-1/8)+(-1/16)+…+(-1/256)+(-1/512)+(-1/1024)
=1/2+(-1/4)+(-1/8)+(-1/16)+…+(-1/512)+(-1/1024)+(-1/1024)+1/1024
=1/2-1/2+1/1024
=1/1024
(1,1,1).(2,4,8)...3Q
(1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)+1/2^15
(2/1-4/1)+(4/1-6/1)+(6/1-8/1)+.+(48/1-50/1)
8+(-2)+(-4)+1+1+(-3)
1/2÷【2/3×(1/8+1/4)】
填入四则运算符号.1/2( )1/4( )1/8( )1/16=0 1/2( )1/4( )1/8( )1/16=321/2( )1/4( )1/8( )1/16=1 1/2( )1/4( )1/8( )1/16=41/2( )1/4( )1/8( )1/16=2 1/2( )1/4( )1/8( )1/16=161/2
计算:(2+1)({2}^{2}+1)({2}^{4}+1)({2}^{8}+1)...({2}^{256}+1)
(2+1)(2^2+1)(2^4+1)(2^8+1)(2^2048+1),
化简(1+2^(-1/32))(1+2^(-1/16))(1+2^(-1/8))(1+2^(-1/4))(1+2^(-1/2))
1/2-(1/2-1/4)-(1/4-1/8)-…-(1/8192-1/16384)
计算:1/2-(1/2-1/4)-(1/4-1/8)-...-(1/8192-1/16384).
(1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)+1/2^15=?
求(1+1)*(1+1/2)*(1+1/4)*(1+1/8)*.*(1+1/2048)
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
找规律, 1,2/1,4/1,8/1,16/1,32/1(),()
(2+1)(2^2-1)(2^4+1)(2^8+1)(2^16-1)(2^32+1)(2^64+1)