: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
3/1+4/3+8/7+16/15+32/31+64/63+128/127+256/255怎么算?
1个回答
相关问题
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1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256
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计算 1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256
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计算:1/2+3/4+7/8+15/16+31/32+63/64+127/128+255/256+511/512【要计算
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1/2+3/4+7/8+15/16+31/32+63/64=127/128=?
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2/1+4/3+8/7+16/15+32/31+64/63+.+128/127
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1/2+3/4+7/8+15/16+31/32+63/64=127/128=?简便计算
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1/2+3/4+7/8+15/16+31/32+63/64+127/128的简便运算
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如何计算1/2+3/4+7/8+15/16+31/32+63/64+127/128怎么简便计算?
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1+1\2+3\4+7\8+15\16+31\32+63\64+127\128等于多少?急用!
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1/2+3/4+7/8+15/16+31/32+63/64+127/128=?要用简便算法