1+2+3+4+8+16+32+.+512
512/512+256/512+128/512+64/512+32/512+16/512+8/512+4/512+2/5
-1,2,-4,8,-16,32,.,512的和
1/2+1/4+1/8+1/16+1/32+1/64+.+1/512
1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256+511/512+1024/1
1/2+3/4+7/8+15/16+31/32+63/34+127/128+255/256+511/512+1023/1
1+1?2+2?4+4?8+8?16+16?32+32 64+64 128+128 256+256 512+512 10
1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256+511/512如何计算
计算:1/2+3/4+7/8+15/16+31/32+63/34+127/128+255/256+511/512+102
1+1+2+4+8+16+32+64+128+256+512+1024+2048+4096=?
1024+512+256+128+64+32+16+8+4+2+1等于多少?要简便运算!
1024+512+256+128+64+32+16+8+4+2+1求解
1+2+4+8+16+32+128+256+512+1024怎样算