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计算:(1)23+(-17)+6+(-22)(2)(-2)+3+1+(-3)+2+(-4)(3)4.7-(-8.9)-7.5+(-6)(4)(-6.3)+|-7.5|-(-2)-1.2(5)−23−35+78−13−25+18(6)−556+(−923)+1734+(−312)(7)(−214)+(−523)+(+23)
题目详情
计算:
(1)23+(-17)+6+(-22)
(2)(-2)+3+1+(-3)+2+(-4)
(3)4.7-(-8.9)-7.5+(-6)
(4)(-6.3)+|-7.5|-(-2)-1.2
(5)−
−
+
−
−
+
(6)−5
+(−9
)+17
+(−3
)
(7)(−2
)+(−5
)+(+
)
(8)(+2
)−(+2
)−(+5
)−(+4
).
−
−
+
−
−
+
(6)−5
+(−9
)+17
+(−3
)
(7)(−2
)+(−5
)+(+
)
(8)(+2
)−(+2
)−(+5
)−(+4
).
2 2 3 3
3 3 5 5
7 7 8 8
1 1 3 3
2 2 5 5
1 1 8 8
−5
+(−9
)+17
+(−3
)
(7)(−2
)+(−5
)+(+
)
(8)(+2
)−(+2
)−(+5
)−(+4
).
5 5 6 6
2 2 3 3
3 3 4 4
1 1 2 2
(−2
)+(−5
)+(+
)
(8)(+2
)−(+2
)−(+5
)−(+4
).
1 1 4 4
2 2 3 3
2 2 3 3
(+2
)−(+2
)−(+5
)−(+4
).
1 1 6 6
2 2 9 9
1 1 6 6
7 7 9 9
(1)23+(-17)+6+(-22)
(2)(-2)+3+1+(-3)+2+(-4)
(3)4.7-(-8.9)-7.5+(-6)
(4)(-6.3)+|-7.5|-(-2)-1.2
(5)−
2 |
3 |
3 |
5 |
7 |
8 |
1 |
3 |
2 |
5 |
1 |
8 |
(6)−5
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
(7)(−2
1 |
4 |
2 |
3 |
2 |
3 |
(8)(+2
1 |
6 |
2 |
9 |
1 |
6 |
7 |
9 |
−
2 |
3 |
3 |
5 |
7 |
8 |
1 |
3 |
2 |
5 |
1 |
8 |
(6)−5
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
(7)(−2
1 |
4 |
2 |
3 |
2 |
3 |
(8)(+2
1 |
6 |
2 |
9 |
1 |
6 |
7 |
9 |
2 |
3 |
3 |
5 |
7 |
8 |
1 |
3 |
2 |
5 |
1 |
8 |
−5
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
(7)(−2
1 |
4 |
2 |
3 |
2 |
3 |
(8)(+2
1 |
6 |
2 |
9 |
1 |
6 |
7 |
9 |
5 |
6 |
2 |
3 |
3 |
4 |
1 |
2 |
(−2
1 |
4 |
2 |
3 |
2 |
3 |
(8)(+2
1 |
6 |
2 |
9 |
1 |
6 |
7 |
9 |
1 |
4 |
2 |
3 |
2 |
3 |
(+2
1 |
6 |
2 |
9 |
1 |
6 |
7 |
9 |
1 |
6 |
2 |
9 |
1 |
6 |
7 |
9 |
▼优质解答
答案和解析
(1)23+(-17)+6+(-22)=23+6+(-17)+(-22)=29+(-39)=-10,(2)(-2)+3+1+(-3)+2+(-4)=(-2)+2+3+(-3)+1+(-4)=-3,(3)4.7-(-8.9)-7.5+(-6)=4.7+8.9-7.5+(-6)=13.6-13.5=0.1,(4)(-6.3...
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