电子课本网 第77页

第77页

信息发布者:
$\frac{3}{5}$
$0.6$
$\frac{7}{10}$
$0.7$
1
8
15
4
$12.5\%$
$\frac{1}{7}$
$\frac{7}{12}$
$35$
$80$

$\frac{4}{5}$
$6$
$40$
$62.5$
九二
11
12

​$ \frac {11}{20}=0.55 = 55\%,$​​$\frac {7}{4}=1.75 = 175\%$​
​$\frac {18}{30}=0.6 = 60\%,$​​$\frac {18}{9}=2 = 200\%$​
52%=0.52,70.06%=0.706,300%=3,
1%=0.01,100%=1
​$0.8\%=\frac {1}{125},$​​$12\%=\frac {3}{25},$​​$20.4\%=\frac {51}{250},$​​$62.5\%=\frac {5}{8}$​
C