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计算(能简算的要用简便方法计算)310-415+51857+358-41112241130-15+6161516-715-2.81960+(125-1415)435-(7.2-314)1714-(558+4.5)523+6310+313+2.718.7

题目详情
计算(能简算的要用简便方法计算)
3
10
-
4
15
+
5
18
              
57+3
5
8
-4
11
12
           
24
11
30
-15+6
1
6
15
1
6
-7
1
5
-2.8            
19
60
+(1
2
5
-1
4
15
)           
4
3
5
-(7.2-3
1
4
17
1
4
-(5
5
8
+4.5)
5
2
3
+6
3
10
+3
1
3
+2.7
18.79-(4.79+3
3
5
)-0.4                 
3.82+(7
3
8
-2.82)-5
3
4

3
10
-
4
15
+
5
18
              
57+3
5
8
-4
11
12
           
24
11
30
-15+6
1
6
15
1
6
-7
1
5
-2.8            
19
60
+(1
2
5
-1
4
15
)           
4
3
5
-(7.2-3
1
4
17
1
4
-(5
5
8
+4.5)
5
2
3
+6
3
10
+3
1
3
+2.7
18.79-(4.79+3
3
5
)-0.4                 
3.82+(7
3
8
-2.82)-5
3
4
3
10
-
4
15
+
5
18
              
57+3
5
8
-4
11
12
           
3
10
-
4
15
+
5
18
              
3
10
-
4
15
+
5
18
              
3
10
331010
4
15
+
5
18
              
4
15
441515
5
18
              
5
18
55181857+3
5
8
-4
11
12
           
5
8
-4
11
12
           
5
8
5588
11
12
           
11
12
11111212 24
11
30
-15+6
1
6
15
1
6
-7
1
5
-2.8            
24
11
30
-15+6
1
6
11
30
-15+6
1
6
11
30
11113030
1
6
1
6
116615
1
6
-7
1
5
-2.8            
1
6
-7
1
5
-2.8            
1
6
1166
1
5
-2.8            
1
5
1155
19
60
+(1
2
5
-1
4
15
)           
4
3
5
-(7.2-3
1
4
19
60
+(1
2
5
-1
4
15
)           
19
60
+(1
2
5
-1
4
15
)           
19
60
19196060
2
5
-1
4
15
)           
2
5
2255
4
15
)           
4
15
4415154
3
5
-(7.2-3
1
4
3
5
-(7.2-3
1
4
3
5
3355
1
4
1
4
1144 17
1
4
-(5
5
8
+4.5)
5
2
3
+6
3
10
+3
1
3
+2.7
17
1
4
-(5
5
8
+4.5)
1
4
-(5
5
8
+4.5)
1
4
1144
5
8
+4.5)
5
8
55885
2
3
+6
3
10
+3
1
3
+2.7
2
3
+6
3
10
+3
1
3
+2.7
2
3
2233
3
10
+3
1
3
+2.7
3
10
331010
1
3
+2.7
1
3
1133 18.79-(4.79+3
3
5
)-0.4                 
3.82+(7
3
8
-2.82)-5
3
4
18.79-(4.79+3
3
5
)-0.4                 
3
5
)-0.4                 
3
5
33553.82+(7
3
8
-2.82)-5
3
4
3
8
-2.82)-5
3
4
3
8
3388
3
4
3
4
3344
▼优质解答
答案和解析
(1)310-415+518 =130+518 =1445;(2)57+358-41112    =6058-41112    =551724;(3)241130-15+616=91130+616=15815;(4)1516-715-2.8=1516-(715+2.8)=1...