(1)-2,4,-8,16,-32,64.(2)0,6,-6,18,-30,-66.(3)-1,2,-4,8,-16,32 ..若第N列数的三个数的和为642,求N并写出这三个数.(-2)的2013次方+(-2)的2012次方
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1/2+1/4+1/8+1/16+1/32+1/64(简算)
(1-1/2-1/4-1/8-1/16-1/32-1/64)除以1/64注意简算
64+32+16+8+4+2+1怎么计算
1 2 4 8 16 32 64怎么算
1,2,4,8,16,32,64,;...:规律
1+2+4+8+16+32+64+128=
1+2+4+8+16+32+64+128简便算法
1+2+4+8+16+32+64+128+...=
1+2+4+8+16+32+64+128+256
1+2+4+8+16+32+64+…+8192过程
(1+2+4+8+16+32除64)×3+1=
1-(1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256)等于( ).
128+64+32+16+8+4+2+1+2/1+4/1+8/1+16/1+32/1=?
64,64,32,8,1,( 64,64,32,8,1,( )( )里填什么?A,1/16B,1/8C,1/4D,1/2写出算法,
2,-4,8,-16,32,-64… 1 -1,2,-4,8,-16,32…2,-4,8,-16,32,-64… 1 -1,2,-4,8,-16,32… 2 第一行数与第二行数有什么关系
(2+1)(2^2-1)(2^4+1)(2^8+1)(2^16-1)(2^32+1)(2^64+1)
计算:(1+2)(1+2^2)(1+2^4)(1+2^8)(1+2^16)(1+2^32)(1+2^64)
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256