1/(1/8)=8 解析:1/(1/8) =1 ÷ 1/8 =1×8 {除以一个数,等于乘以这个数的倒数。} =8
1:1/8=8: 10.4 : 3/5 = 2: 365:78 = 5 : 61.5: 2.7 = 15 : 27 = 5: 95/3:2/9 = 15: 2
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