1/2+1/4+1/8+1/16+...
1个回答
1-1/2+1/2-1/4+······1/128-1/256=255/256
ok?
相关问题
【数学】算一算,找规律.1/2+1/4+1/8= 1/2+1/4+1/8+1/16= 1/2+1/4+1/8+1/16+
计算下面各题,找出规律:1/2+1/4+1/8= 1/2+1/4+1/8+1/16= 1/2+1/4+1/8+1/16+
1/(1-a)+1/(1+a)+2/(1+a∧2)+4/(1+a∧4)+8/(1+a∧8)+16/(1+a∧16)
已知2/1-4/1=4/1,4/1-8/1=8/1,8/1-16/1=16/1,你能不通分算出2/1+4/1+8/1+1
(1/2+1/8-1/4)*16
已知1/2-1/4=1/4,1/4-1/8=1/8,1/8-1/16=1/16,你能不用通分计算出1/2+1/4+1/8
{2+1/2} {2^2+1/2^2} {2^4+1/2^4}{2^8+1/2^8}{2^16+1/2^16}
2—1,4+1/2,8—1/3,16+1/4
16+8+4+2+1+1/2+1/4+1/8+1/16 简便计算,求学霸解答.100金币.
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