1-2+3-4+.-16+17/-2+4-6+8-.+32-34=
1-2+3-4+.-16+17/-2+4-6+8-.+32-34=
2,-4,8,-16,32,-64 4,-2,10,-14,34,-62 1,-2,4,-8,16,-32
从1 2 4 8 16 32,2 4 8 16 32 64,3 6 12 24 48 96,4 8 16 32 64 1
2/1+4/2+8/3+16/4+32/5+64/6+128/7+256/8
2,-4,8,-16,32,-64,...; 4,-2,10,-14,34,-62,...; 1,-2,4,-8,16,
已知2^1=2,2^2=4,2^3=8,2^4=16,2^5=32,2^6=32,2^7=128,2^8=256
4,-2,10,-14,34,-62...; 1,-2,4,-8,16,-32
简便运算:3/2+5/4+9/8+17/16+33/32+65/64=?
3/2+5/4+9/8+17/16+33/32+65/64+129/128=?
1×3×11+2×6×22+3×9×33/1×2×17+2×4×34+3×6×51=?
三道数字推理1,2,4,4,1,( ) A.16 B.17 C.1/32 D.1/16 1,2,3,7,8,17,15
1/2+3/4+7/8+15/16+31/32+63/34+127/128+255/256+511/512+1023/1