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计算题(1)-9-3+5(2)-12×(113-34+56)(3)0.752011×(113)2012(4)3−(−2)×(−1)−8÷(−12)2×|−3+1|;(5)|−3811|-|-2710|+(−911)−(−345);(6)−110−(1314−1112)×[9−(−3)2]+12÷3.

题目详情
计算题
(1)-9-3+5
(2)-12×(1
1
3
-
3
4
+
5
6

(3)0.752011×(1
1
3
2012
(4)3−(−2)×(−1)−8÷(−
1
2
)2×|−3+1|;
(5)|−3
8
11
|-|-
27
10
|+(−
9
11
)−(−3
4
5
);
(6)110−(
13
14
11
12
)×[9−(−3)2]+
1
2
÷3.
▼优质解答
答案和解析
(1)-9-3+5=-12+5=-7;
(2)-12×(1
1
3
-
3
4
+
5
6
)=-12×
4
3
-(-12)×
3
4
+(-12)×
5
6
=-16+9-10=-17;
(3)0.752011×(1
1
3
2012=
3
4
2011×
4
3
2012,=
3
4
2011×
4
3
2011×
4
3
,=1×
4
3
=
4
3

(4)3−(−2)×(−1)−8÷(−
1
2
)2×|−3+1|=3-2-8×4×2=3-2-64=-63;
(5)|−3
8
11
|-|-
27
10
|+(−
9
11
)−(−3
4
5
)=3
8
11
-
27
10
-
9
11
+3
4
5
=
41
11
9
11
-
27
10
+
38
10
=
32
11
+
11
10
=
320
110
+
121
110
=
441
110

(6)−110−(
13
14
11
12
)×[9−(−3)2]+
1
2
÷3=-1-(
13
14
-
11
12
)×(9-9)+
1
2
×
1
3
=-1-0+
1
6
=-
5
6