计算:
(1)$(-24)÷ 8$; (2)$(-36)÷ (-9)$;
(3)$(+4.5)÷ (-0.5)$; (4)$(-6.5)÷ (-1.3)$;
(5)$0÷ \left(-\dfrac {5}{23}\right)$; (6)$(-2.5)÷ \dfrac {5}{4}$;
(7)$-9÷ \left(-\dfrac {3}{8}\right)$; (8)$\dfrac {5}{12}÷ \left(-\dfrac {1}{36}\right)$;
(9)$1÷ \left(-\dfrac {5}{32}\right)$; (10)$(-15.4)÷ \left(-\dfrac {11}{5}\right)$.
(1)$(-24)÷ 8$; (2)$(-36)÷ (-9)$;
(3)$(+4.5)÷ (-0.5)$; (4)$(-6.5)÷ (-1.3)$;
(5)$0÷ \left(-\dfrac {5}{23}\right)$; (6)$(-2.5)÷ \dfrac {5}{4}$;
(7)$-9÷ \left(-\dfrac {3}{8}\right)$; (8)$\dfrac {5}{12}÷ \left(-\dfrac {1}{36}\right)$;
(9)$1÷ \left(-\dfrac {5}{32}\right)$; (10)$(-15.4)÷ \left(-\dfrac {11}{5}\right)$.
答案:
(1)-3
(2)4
(3)-9
(4)5
(5)0
(6)-2
(7)24
(8)-15
(9)$-\frac{32}{5}$
(10)7
(1)-3
(2)4
(3)-9
(4)5
(5)0
(6)-2
(7)24
(8)-15
(9)$-\frac{32}{5}$
(10)7
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