$1 ÷ \frac{1}{3} =$
$\frac{7}{9} × 0.54 =$
$4 ÷ 25\% =$
$6 × \frac{5}{6} =$
$\frac{8}{9} ÷ \frac{3}{4} =$
$\frac{5}{8} × 3.2 =$
$1.2 ÷ \frac{2}{3} =$
$\frac{1}{7} ÷ \frac{1}{14} =$
$3.14 × 6 =$
$1.2 × 50\% =$
$\frac{4}{5} ÷ 75\% =$
$7 ÷ \frac{14}{5} =$
$60\% + \frac{1}{5} =$
$7.8 × \frac{10}{13} =$
$60 ÷ \frac{5}{12} =$
$0.6 ÷ \frac{3}{5} =$
$\frac{28}{9} ÷ 4 =$
$\frac{9}{10} × \frac{2}{3} =$
$\frac{7}{12} ÷ \frac{7}{9} =$
$4 ÷ 25\% =$

1. 3 0.42 16 5
$\frac{32}{27}$ 2 1.8 2
18.84 0.6 $\frac{16}{15}$ $\frac{5}{2}$
$\frac{4}{5}$ 6 144 1
$\frac{7}{9}$ $\frac{3}{5}$ $\frac{3}{4}$ 16

2 脱式计算（能简算的要简算）
建议用时4分钟 评价：☆☆☆
$7.2×(\dfrac{7}{12}×\dfrac{2}{3})$
$\dfrac{3}{11}×\dfrac{1}{6}+\dfrac{8}{11}÷6$
$\dfrac{4}{9}÷(\dfrac{5}{6}-\dfrac{1}{3})$
$\dfrac{9}{32}×\dfrac{4}{3}÷\dfrac{7}{16}$
$2-\dfrac{6}{13}÷\dfrac{9}{26}-\dfrac{2}{3}$
$6.9×\dfrac{3}{4}+4.1×75\%-0.75$

2. 2.8 $\frac{1}{6}$ $\frac{8}{9}$ $\frac{6}{7}$ 0 7.5

(1)
鸡：1200只
鹅：
？只
比鸡多25%
(2)
水稻：
小麦：？t
60 t
比水稻少$\frac{1}{5}$

3. (1) $1200 × (1 + 25\%) =1500$(只)
(2)$60÷(1-\frac{1}{5})=75(t)$