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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
)+(−7
)+(+5
)+(−2
)
(3)(−
)+
+2+(−
)
(4)−5
+(−9
)+17
+(−3
).
(+4
)+(−7
)+(+5
)+(−2
)
(3)(−
)+
+2+(−
)
(4)−5
+(−9
)+17
+(−3
).
3 3 4 4
1 1 5 5
1 1 4 4
4 4 5 5
(−
)+
+2+(−
)
(4)−5
+(−9
)+17
+(−3
).
1 1 2 2
1 1 3 3
5 5 6 6
−5
+(−9
)+17
+(−3
).
5 5 6 6
2 2 3 3
3 3 4 4
1 1 2 2
(1)(-53)+(+25)+(-47)+(-35).
(2)(+4
3 |
4 |
1 |
5 |
1 |
4 |
4 |
5 |
(3)(−
1 |
2 |
1 |
3 |
5 |
6 |
(4)−5
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
(+4
3 |
4 |
1 |
5 |
1 |
4 |
4 |
5 |
(3)(−
1 |
2 |
1 |
3 |
5 |
6 |
(4)−5
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
3 |
4 |
1 |
5 |
1 |
4 |
4 |
5 |
(−
1 |
2 |
1 |
3 |
5 |
6 |
(4)−5
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
1 |
2 |
1 |
3 |
5 |
6 |
−5
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
▼优质解答
答案和解析
(1)原式=(-53-47-35)+25
=-135+25
=-110;
(2)原式=(4
+5
)+(-7
-2
)
=10-10
=0;
(3)原式=(-
-
)+(
+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
3 3 34 4 4+5
)+(-7
-2
)
=10-10
=0;
(3)原式=(-
-
)+(
+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
1 1 14 4 4)+(-7
-2
)
=10-10
=0;
(3)原式=(-
-
)+(
+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
1 1 15 5 5-2
)
=10-10
=0;
(3)原式=(-
-
)+(
+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
4 4 45 5 5)
=10-10
=0;
(3)原式=(-
-
)+(
+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
1 1 12 2 2-
)+(
+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
5 5 56 6 6)+(
+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
1 1 13 3 3+2)
=-
+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
4 4 43 3 3+
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
7 7 73 3 3
=1;
(4)原式=(-5
-9
-3
)+17
=-19+17
=-
.
5 5 56 6 6-9
-3
)+17
=-19+17
=-
.
2 2 23 3 3-3
)+17
=-19+17
=-
.
1 1 12 2 2)+17
=-19+17
=-
.
3 3 34 4 4
=-19+17
=-
.
3 3 34 4 4
=-
.
5 5 54 4 4.
=-135+25
=-110;
(2)原式=(4
3 |
4 |
1 |
4 |
1 |
5 |
4 |
5 |
=10-10
=0;
(3)原式=(-
1 |
2 |
5 |
6 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
3 |
4 |
1 |
4 |
1 |
5 |
4 |
5 |
=10-10
=0;
(3)原式=(-
1 |
2 |
5 |
6 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
1 |
4 |
1 |
5 |
4 |
5 |
=10-10
=0;
(3)原式=(-
1 |
2 |
5 |
6 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
1 |
5 |
4 |
5 |
=10-10
=0;
(3)原式=(-
1 |
2 |
5 |
6 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
4 |
5 |
=10-10
=0;
(3)原式=(-
1 |
2 |
5 |
6 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
1 |
2 |
5 |
6 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
5 |
6 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
1 |
3 |
=-
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
4 |
3 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
7 |
3 |
=1;
(4)原式=(-5
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
5 |
6 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
2 |
3 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
1 |
2 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
3 |
4 |
=-19+17
3 |
4 |
=-
5 |
4 |
3 |
4 |
=-
5 |
4 |
5 |
4 |
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