1/8/(1/16+1/40)
1/8/(1/16+1/40)
1/2+1/4+1/8+1/16+...+1/1024
1/2+1/4+1/8+1/16+1/32+.
应用题 (1 15:16:8)
数字推理1 ,3,8,16 ,16
1/2 1/4 1/8 1/16找规律
1/2+1/4+1/8+1/16+...
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
1/2-1/4-1/8-16/1-32/1-64/1-128/1-256/1
2\1+4\1+8\1+16\1+64\1+128\1+256\1+512\1
【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+