（1）把下面的百分数改写成小数或整数。
30% =
65% =
60% =
0.8% =
125% =
38% =
6.5% =
4.25% =
86.5% =
35% =
300% =
31% =
105% =
5.25% =
725% =
500% =
（2）把下面的百分数改写成最简分数。
20% =
3.5% =
55% =
37.5% =
120% =
50% =
75% =
87.5% =
150% =
40% =
6.5% =
32.5% =
70% =
12.5% =
0.75% =
62.5% =

1.(1) 0.3 0.65 0.6 0.008 1.25 0.38 0.065 0.0425 0.865 0.35 3 0.31 1.05 0.0525 7.25 5
1.(2) 1/5 7/200 11/20 3/8 6/5 1/2 3/4 7/8 3/2 2/5 13/200 13/40 7/10 1/8 3/400 5/8

$\frac{6}{7} × \frac{1}{11} - \frac{1}{7} ÷ 11$
$( \frac{7}{8} + \frac{13}{16} ) ÷ \frac{13}{16}$
$0.6 × 25 + 60\% × 75$
$\frac{1}{9} + \frac{8}{9} ÷ \frac{2}{3}$
$\frac{12}{25} × \frac{3}{8} + \frac{12}{25} ÷ \frac{8}{5}$
$\frac{3}{4} × 47 + 0.75 × 34 - 75\%$

2. 5/77 27/13 60 13/9 12/25 60

错中求解 明明在做统计时，不小心把一个统计结果的百分号漏掉了，就比原来的结果增加了27.72，原来的统计结果是（）。

3. 28%