问题 解答题
计算:
(1)(+1
1
3
)+(-5
2
3
)

(2)( 
17
35
-
4
7
+
4
5
 )×(-35)
(3)-22-(-3)3×(-1)4
(4)
2
3
×(-
2
1
4
)-
3-3
3
8

(5)-22-(-3)3×(-1)4-(-1)5
(6)
1
2
+(-
2
3
)+
4
5
+(-
1
2
)+(-
1
3
)

(7)[(-
3
2
)
3
×(-
4
3
)
2
÷(-
1
2
)-32-(-3)3]×(-14)

(8)(-81)÷2
1
4
×(-
4
9
)÷(-16)
(9)3-2×(-5)2
(10)-48×(
1
2
-
5
8
+
1
3
-
11
16
)

(11)(-
1
3
)2×0.52×(-6)3×24
答案

(1)(+1

1
3
)+(-5
2
3
),

=-(5

2
3
-1
1
3
),

=-4

1
3

(2)(

17
35
-
4
7
+
4
5
)×(-35),

=

17
35
×(-35)-
4
7
×(-35)+
4
5
×(-35),

=-17+20-28,

=-45+20,

=-25;

(3)-22-(-3)3×(-1)4

=-4-(-27)×1,

=-4+27,

=23;

(4)

2
3
×(-
2
1
4
)-
3-3
3
8

=

2
3
×(-
3
2
)-(-
3
2
),

=-1+

3
2

=

1
2

(5)-22-(-3)3×(-1)4-(-1)5

=-4-(-27)×1-(-1),

=4+27+1,

=32;

(6)

1
2
+(-
2
3
)+
4
5
+(-
1
2
)+(-
1
3
),

=

1
2
+(-
1
2
)+(-
2
3
)+(-
1
3
)+
4
5

=0-1+

4
5

=-

1
5

(7)[(-

3
2
3×(-
4
3
2÷(-
1
2
)-32-(-3)3]×(-14),

=[(-

27
8
)×
16
9
×(-2)-9-(-27)]×(-1),

=(12-9+27)×(-1),

=30×(-1),

=-30;

(8)(-81)÷2

1
4
×(-
4
9
)÷(-16),

=(-81)×

4
9
×(-
4
9
)×(-
1
16
),

=-81×

4
9
×
4
9
×
1
16

=-1;

(9)3-2×(-5)2

=3-2×25,

=3-50,

=-47;

(10)-48×(

1
2
-
5
8
+
1
3
-
11
16
),

=

1
2
×(-48)-
5
8
×(-48)+
1
3
×(-48)-
11
16
×(-48),

=-24+30-16+33,

=-40+63,

=23;

(11)(-

1
3
2×0.52×(-6)3×24

=

1
9
×
1
4
×(-216)×16,

=-96.

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