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计算.(能简算的就简算)1042-384÷16×1346×5.6-4.5×5658-217+38-1317(2.5-2.5×0.6)÷4.

题目详情
计算.(能简算的就简算)
1042-384÷16×1346×5.6-4.5×56
5
8
-
2
17
+
3
8
-
13
17
(2.5-2.5×0.6)÷4.
▼优质解答
答案和解析
(1)1042-384÷16×13                                
=1042-24×13           
=1042-312              
=730;   

(2)46×5.6-4.5×56
=46×5.6-45×5.6
=(46-45)×5.6
=1×5.6          
=5.6;
               
(3)
5
8
-
2
17
+
3
8
-
13
17
                            
=
5
8
+
3
8
-(
2
17
+
13
17
) 
=1-
15
17
                
=
2
17
   

(4)(2.5-2.5×0.6)÷4
=(2.5-1.5)÷4
=1÷4  
=0.25.