(2)1÷0.45÷0.9-

(3)0.36×[(2+3.8)÷0.04]
(4)(8-1.24)÷3(得数保留一位小数)解:(1)(2296+7344÷36)×2.4
=(2296+204)×2.4
=2500×2.4
=6000;
(2)1÷0.45÷0.9-

=1×
×
-
=

=

=
;(3)0.36×[(2+3.8)÷0.04]
=0.36×[5.8÷0.04]
=0.36×145
=52.2;
(4)(8-1.24)÷3
=6.76÷3
≈2.3.
分析:利用四则混合运算的计算顺序计算.
点评:注意特殊题目的要求.