问题 解答题
(1)2+(-6)+0+1
1
4
+(-3.5)

(2)+(+18)-|-14|-(+8)-(-1)
(3)-1
1
2
×
3
4
×(-0.2)×1
1
4
÷1.4÷(-
5
7
)

(4)(-6)×(-3
1
7
)-(-7)×3
1
7
+13×(-3
1
7
)

(5)39
23
24
×(-12)

(6)-14-(
13
17
-
11
18
)×[4-(-2)2]

(7)[-1
5
8
-(
7
9
-
11
12
+
1
6
)×36]÷5

(8)-1
1
2
×[1-3÷(-
3
2
)
2
]-(
1
4
)2×(-2)3÷(+
3
4
)3
答案

(1)原式=(2+1

1
4
)-3.5=3.25-3.5=-0.25;

(2)原式=18-14-8+1=-3;

(3)原式=-

3
2
×
3
4
×(-
1
5
)×
5
4
×
5
7
×(-
7
5
)=-
9
32

(4)原式=6×

22
7
+7×
22
7
-13×
22
7
=
22
7
×(6+7-13)=0;

(5)原式=(40-

1
24
)×(-12)=-480+
1
2
=-479
1
2

(6)原式=-1-(

13
17
-
11
18
)×(4-4)=-1;

(7)原式=(-

13
8
-28+33-6)×
1
5
=-
13
40
-
1
5
=-
21
40

(8)原式=-

3
2
×(1-3×
4
9
)-
1
16
×(-8)×
64
27
=
1
2
+
32
27
=
91
54

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