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计算:(1)(-43)+34(2)49×(-23)(3)423+8.6-323-75-235(4)-53-12+34-25+0.5(5)|-156|-(-34)+(-56)+712(6)24×(12-16+38)(7)(-72)÷(-114)÷3×(-35)(8)34×(-9)-34×(-15)
题目详情
计算:
(1)(-
)+
(2)
×(-
)
(3)4
+8.6-3
-
-2
(4)-
-
+
-
+0.5
(5)|-1
|-(-
)+(-
)+
(6)24×(
-
+
)
(7)(-
)÷(-1
)÷3×(-
)
(8)
×(-9)-
×(-15)
(1)(-
4 |
3 |
3 |
4 |
(2)
4 |
9 |
2 |
3 |
(3)4
2 |
3 |
2 |
3 |
7 |
5 |
3 |
5 |
(4)-
5 |
3 |
1 |
2 |
3 |
4 |
2 |
5 |
(5)|-1
5 |
6 |
3 |
4 |
5 |
6 |
7 |
12 |
(6)24×(
1 |
2 |
1 |
6 |
3 |
8 |
(7)(-
7 |
2 |
1 |
4 |
3 |
5 |
(8)
3 |
4 |
3 |
4 |
▼优质解答
答案和解析
(1)(-
)+
=-
;
(2)
×(-
)=-
;
(3)4
+8.6-3
-
-2
=(4
-3
)+(8.6-
-2
)
=1+4.4
=5.4;
(4)-
-
+
-
+0.5
=-
+
-
+(0.5-
)
=-
+
-
+0
=-
;
(5)|-1
|-(-
)+(-
)+
=1
4 |
3 |
3 |
4 |
7 |
12 |
(2)
4 |
9 |
2 |
3 |
8 |
27 |
(3)4
2 |
3 |
2 |
3 |
7 |
5 |
3 |
5 |
=(4
2 |
3 |
2 |
3 |
7 |
5 |
3 |
5 |
=1+4.4
=5.4;
(4)-
5 |
3 |
1 |
2 |
3 |
4 |
2 |
5 |
=-
5 |
3 |
3 |
4 |
2 |
5 |
1 |
2 |
=-
100 |
60 |
45 |
60 |
24 |
60 |
=-
79 |
60 |
(5)|-1
5 |
6 |
3 |
4 |
5 |
6 |
7 |
12 |
=1
作业帮用户
2017-10-16
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