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(1)756+(-513)+214+(-434)(2)(-18)+21+(-16)+8+(-23)+28(3)42×(-23)+(-34)÷(-0.25)(4)(-79)÷214+49×(-29)(5)(145+710-815)÷(-130)(6)-123×(0.5-23)÷119(7)(-2)4+(5-7)3-2×(-9×

题目详情
(1)7
5
6
+(-5
1
3
)+2
1
4
+(-4
3
4
)        
 (2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2
3
)+(-
3
4
)÷(-0.25)
(4)(-79)÷2
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
(1)7
5
6
+(-5
1
3
)+2
1
4
+(-4
3
4
)        
 (2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2
3
)+(-
3
4
)÷(-0.25)
(4)(-79)÷2
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
5
6
+(-5
1
3
)+2
1
4
+(-4
3
4
)        
 (2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2
3
)+(-
3
4
)÷(-0.25)
(4)(-79)÷2
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
5
6
565566
1
3
)+2
1
4
+(-4
3
4
)        
 (2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2
3
)+(-
3
4
)÷(-0.25)
(4)(-79)÷2
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
1
3
131133
1
4
+(-4
3
4
)        
 (2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2
3
)+(-
3
4
)÷(-0.25)
(4)(-79)÷2
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
1
4
141144
3
4
)        
 (2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2
3
)+(-
3
4
)÷(-0.25)
(4)(-79)÷2
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
3
4
343344

42×(-
2
3
)+(-
3
4
)÷(-0.25)
(4)(-79)÷2
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
2
3
232233
3
4
343344
1
4
+
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
1
4
141144
4
9
×(-29)
(5)(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
4
9
494499
(1
4
5
+
7
10
-
8
15
)÷(-
1
30
)
(6)-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
4
5
454455
7
10
710771010
8
15
815881515
1
30
130113030
-1
2
3
×(0.5-
2
3
1
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
2
3
232233
2
3
2322331
1
9

(7)(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
1
9
191199
(-2)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
)4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
4+(5-7)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
)3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
3-2×(-9×
2
3
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
2
3
232233)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
)2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].
2
(8)-1101-[-3×(2÷3)2-
3
4
÷22].

1012
3
4
÷22].
3
4
3433442
▼优质解答
答案和解析
(1)原式=2
1
2
-2
1
2

=0;      
 (2)原式=-57+57
=0;
(3)原式=-28+1
=-27;
(4)原式=(-79-29)×
4
9

=-108×
4
9

=-48;
(5)原式=
9
5
×(-30)+
7
10
×(-30)-
8
15
×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
1
2
12111222-2
1
2

=0;      
 (2)原式=-57+57
=0;
(3)原式=-28+1
=-27;
(4)原式=(-79-29)×
4
9

=-108×
4
9

=-48;
(5)原式=
9
5
×(-30)+
7
10
×(-30)-
8
15
×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
1
2
12111222
=0;      
 (2)原式=-57+57
=0;
(3)原式=-28+1
=-27;
(4)原式=(-79-29)×
4
9

=-108×
4
9

=-48;
(5)原式=
9
5
×(-30)+
7
10
×(-30)-
8
15
×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
4
9
49444999
=-108×
4
9

=-48;
(5)原式=
9
5
×(-30)+
7
10
×(-30)-
8
15
×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
4
9
49444999
=-48;
(5)原式=
9
5
×(-30)+
7
10
×(-30)-
8
15
×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
9
5
95999555×(-30)+
7
10
×(-30)-
8
15
×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
7
10
710777101010×(-30)-
8
15
×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
8
15
815888151515×(-30)
=-54-21+16
=-59;
(6)原式=-
5
3
×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
5
3
53555333×(-
1
6
)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
1
6
16111666)×
9
10

=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
9
10
910999101010
=
1
4

(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
1
4
14111444
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
4
9
-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
4
9
49444999-
3
4
×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
3
4
34333444×
1
4
]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
1
4
14111444]
=-1-(-
4
3
-
3
16

=-1+
73
48

=
25
48
4
3
43444333-
3
16

=-1+
73
48

=
25
48
3
16
316333161616)
=-1+
73
48

=
25
48
73
48
7348737373484848
=
25
48
25
48
2548252525484848.