资料分析常见百分数与分数转换
50%=1/2;
33.3%=1/3;2/3=66.7%
25%=1/4;3/4=75%
20%=1/5;2/5=40%;3/5=60%;4/5=80%
16.7%=1/6;5/6=83.3%
14.3%=1/7,2/7=28.6
12.5%=1/8;3/8=37.5%;5/8=62.5%;7/8=87.5%
11.1%=1/9;2/9=22.2%;4/9=44.4%
10%=1/10;
9.1%=1/11;
8.3%=1/12;
7.7%=1/13;
7.1%=1/14;
6.7%=1/15;
6.25%=1/16;
5.9%=1/17;
5.6%=1/18;
5.3%=1/19;
5.0%=1/20
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