(1)4÷-÷4
(2)1÷[(-)×24]
(3)6÷+4÷
(4)×+÷
(5)(+)÷-11
(6)(19+)×.
网友回答
解:(1)4÷-÷4
=4×-×
=5-
=;
(2)1÷[(-)×24]
=1÷[×24]
=1÷10
=;
(3)6÷+4÷
=6×+4×
=9+12
=21;
(4)×+÷
=+×
=+
=
=;
(5))(+)÷-11
=×36-11
=35-11
=24;
(6))(19+)×.
=19×+×
=+
=;
解析分析:利用四则混合运算的顺序解答即可.
点评:此题主要考查分数四则混合运算的计算能力和方法.