2/1+4/3+8/7+16/15+32/31+64/63+.+128/127
1/2+3/4+7/8+15/16+31/32+63/64+128/127+255/256
1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256
2/1+4/3+8/7+16/15+32/31+64/63+.+128/127
1/2+3/4+7/8+15/16+31/32+63/64=127/128=?
1/2+3/4+7/8+15/16+31/32+63/64+127/128
1.1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256
1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256+511/512+1024/1
1+1\2+3\4+7\8+15\16+31\32+63\64+127\128等于多少?急用!
计算 1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256
简便计算:1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256
1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256+511/512如何计算
1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256用裂项解