(1)$(-12)÷3=\_\_\_\_\_\_$；
(2)$0÷(-8)=\_\_\_\_\_\_$；
(3)$(-1)÷(-5)=\_\_\_\_\_\_$；
(4)$-|-11|$的倒数是________.

(1)-4 (2)0 (3)$\dfrac{1}{5}$ (4)$-\dfrac{1}{11}$

2. 计算:
(1)$(-6)÷(-\dfrac{1}{3})$;
(2)$\dfrac{3}{7}÷(-2\dfrac{1}{7})$;
(3)$-2÷\left|-\dfrac{2}{3}\right|$;
(4)$(-32\dfrac{4}{5})÷(-4)$;
(5)$-9÷\dfrac{3}{2}×\dfrac{2}{3}$;
(6)$(-2\dfrac{1}{2})÷(-5)×(-3\dfrac{1}{3})$;
(7)$-3÷\dfrac{1}{3}÷\dfrac{1}{9}÷81$;
(8)$(-\dfrac{1}{5})×(-5)÷(-\dfrac{1}{5})×(-5)$;
(9)$(-\dfrac{5}{3})×(-3\dfrac{3}{4})÷3×\dfrac{1}{3}$;
(10)$(-5)÷\dfrac{3}{7}×\left|-\dfrac{4}{7}\right|÷(-\dfrac{20}{3})$.

(1)18 (2)$-\dfrac{1}{5}$ (3)-3 (4)$8\dfrac{1}{5}$ (5)-4 (6)$-\dfrac{5}{3}$ (7)-1 (8)25 (9)$\dfrac{25}{36}$ (10)1