(1)145×9+306÷3
=1305+102
=1407;
(2)(64+56)÷24
=120÷24
=5;
(3)45+240÷40
=45+6
=51;
(4)184×17+63×184
=184×(17+63)
=184×80
=14720;
(5)544-166-145
=378-145
=233;
(6)4000÷125÷8
=4000÷(125×8)
=4000÷1000
=4.