1/128+1/64+1/32…+1/4
4个回答
1/128+1/64+1/32…+1/4
=(1+2+4+8+16+32)/128
=[(1+2)+(4+16)+(8+32)]/128
=63/128
相关问题
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
简便运算:1/128+1/64+1/32+.+1/4=
1+1?2+2?4+4?8+8?16+16?32+32 64+64 128+128 256+256 512+512 10
[1/2]+[1/4]+[1/8]+[1/16]+[1/32]+[1/64]+[1/128].
1-1/2+1/4-1/8+1/16-1/32+1/64-1/128+1/128+1/256-1/512
1-2/1-4/1-8/1-16/1-32/1-64/1-128/1
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256
计算:1-2\1-4\1-8\1-16\1-32\1-64\1-128\1=?
1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256
1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256=?