11智能在线
新记
(1/2+1/4+1/6+1/10+1/12+1/60)/(1+1/3+1/5+1/10+1/15+1/30)
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其他看法
第1个回答 2007-08-18
通分,1/2=30/60,1/4=15/60,1/6=10/60,1/10=6/60,1/12=5/60.再加
前面得67/60.后面一样
第2个回答 推荐于2021-01-23
(1/2+1/4+1/6+1/10+1/12+1/60)/(1+1/3+1/5+1/10+1/15+1/30)
=(30/60+15/60+10/60+6/60+5/60+1/60)/(1+10/30+6/30+3/30+2/30+1/30)
=67/104本回答被提问者采纳
第3个回答 2007-08-18
(1/2+1/4+1/6+1/10+1/12+1/60)/(1+1/3+1/5+1/10+1/15+1/30)
=(30/60+15/60+10/60+6/60+5/60)/(1+10/30+6/30+3/30+1/30)
=(66/60)/(5/3)
=(22/20)/(5/3)
=33/50
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