3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?
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3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?3/
3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?
3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?
3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?
:1/2+3/4+7/8+15/16+31/32+63/64+127/128=7-(1/2+1/4+1/8+1/16+1/32+1/64+1/128)=7-(1/2+.+1/128+1/128-1/128)=7-127/128=769/128
1/2+3/4+7/8+15/16+31/32+63/64=?简便方法!
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的答案
1/2+3/4+7/8+15/16+31/32+63/64=127/128=?
分数计算题:1/2+3/4+7/8+15/16+31/32+63/64
1/2+3/4+7/8+15/16+31/32+63/64+127/128
简算1/2+3/4+7/8+15/16+31/32+63/64
2/1+4/3+8/7+16/15+32/31+64/63 要简算
简便计算:1/2+3/4+7/8+15/16+31/32+63/64+127+218
计算:1/2+3/4+7/8+15/16+31/32+63/64=?
2/1+4/3+7/8+16/15+32/31+64/63必须简便计算
简便计算:1/2+3/4+7/8+15/16+31/32+63/64+127/218
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+127/128+255/256
1/4+3/8+7/16+15/32+...+511/1024=?这题怎么解
(1)3,5,7,9 (2)1/2,3/4,7/8,15/16,31/32 的通项公式
找规律算一算:已知2/1(/代表分数线)+4/1=4/3,4/3+8/1=8/7,8/7+16/1=16/15:2/1+4/1+8/1+16/1+32/1=().
3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?