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计算下列各题:(1)(-53)+(+25)+(-47)+(-35).(2)(+434)+(−715)+(+514)+(−245)(3)(−12)+13+2+(−56)(4)−556+(−923)+1734+(−312).

题目详情
计算下列各题:
(1)(-53)+(+25)+(-47)+(-35).
(2)(+4
3
4
)+(−7
1
5
)+(+5
1
4
)+(−2
4
5
)
(3)(−
1
2
)+
1
3
+2+(−
5
6
)
(4)−5
5
6
+(−9
2
3
)+17
3
4
+(−3
1
2
).


(+4
3
4
)+(−7
1
5
)+(+5
1
4
)+(−2
4
5
)
(3)(−
1
2
)+
1
3
+2+(−
5
6
)
(4)−5
5
6
+(−9
2
3
)+17
3
4
+(−3
1
2
).
3
4
3344
1
5
1155
1
4
1144
4
5
4455
(−
1
2
)+
1
3
+2+(−
5
6
)
(4)−5
5
6
+(−9
2
3
)+17
3
4
+(−3
1
2
).
1
2
1122
1
3
1133
5
6
5566
−5
5
6
+(−9
2
3
)+17
3
4
+(−3
1
2
).
5
6
5566
2
3
2233
3
4
3344
1
2
1122
▼优质解答
答案和解析
(1)原式=(-53-47-35)+25
=-135+25
=-110;

(2)原式=(4
3
4
+5
1
4
)+(-7
1
5
-2
4
5

=10-10
=0;

(3)原式=(-
1
2
-
5
6
)+(
1
3
+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
3
4
333444+5
1
4
)+(-7
1
5
-2
4
5

=10-10
=0;

(3)原式=(-
1
2
-
5
6
)+(
1
3
+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
1
4
111444)+(-7
1
5
-2
4
5

=10-10
=0;

(3)原式=(-
1
2
-
5
6
)+(
1
3
+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
1
5
111555-2
4
5

=10-10
=0;

(3)原式=(-
1
2
-
5
6
)+(
1
3
+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
4
5
444555)
=10-10
=0;

(3)原式=(-
1
2
-
5
6
)+(
1
3
+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
1
2
111222-
5
6
)+(
1
3
+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
5
6
555666)+(
1
3
+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
1
3
111333+2)
=-
4
3
+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
4
3
444333+
7
3

=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
7
3
777333
=1;

(4)原式=(-5
5
6
-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
5
6
555666-9
2
3
-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
2
3
222333-3
1
2
)+17
3
4

=-19+17
3
4

=-
5
4
1
2
111222)+17
3
4

=-19+17
3
4

=-
5
4
3
4
333444
=-19+17
3
4

=-
5
4
3
4
333444
=-
5
4
5
4
555444.