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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
)+2
+(-4
)
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
)+(-
)÷(-0.25)
(4)(-79)÷2
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].(1)7
+(-5
)+2
+(-4
)
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
)+(-
)÷(-0.25)
(4)(-79)÷2
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
+(-5
)+2
+(-4
)
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
)+(-
)÷(-0.25)
(4)(-79)÷2
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
5 6 5 5 6 6
)+2
+(-4
)
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
)+(-
)÷(-0.25)
(4)(-79)÷2
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
1 3 1 1 3 3
+(-4
)
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
)+(-
)÷(-0.25)
(4)(-79)÷2
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
1 4 1 1 4 4
)
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
)+(-
)÷(-0.25)
(4)(-79)÷2
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
3 4 3 3 4 4
42×(-
)+(-
)÷(-0.25)
(4)(-79)÷2
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
2 3 2 2 3 3
3 4 3 3 4 4
+
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
1 4 1 1 4 4
×(-29)
(5)(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
4 9 4 4 9 9
(1
+
-
)÷(-
)
(6)-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
4 5 4 4 5 5
7 10 7 7 10 10
8 15 8 8 15 15
1 30 1 1 30 30
-1
×(0.5-
)÷1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
2 3 2 2 3 3
2 3 2 2 3 3 1
(7)(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
1 9 1 1 9 9
(-2)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].)4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].4+(5-7)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].)3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].3-2×(-9×
)2
(8)-1101-[-3×(2÷3)2-
÷22].
2 3 2 2 3 3 )2
(8)-1101-[-3×(2÷3)2-
÷22].)2
(8)-1101-[-3×(2÷3)2-
÷22].2
(8)-1101-[-3×(2÷3)2-
÷22].
1012
÷22].
3 4 3 3 4 4 2
5 |
6 |
1 |
3 |
1 |
4 |
3 |
4 |
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2 |
3 |
3 |
4 |
(4)(-79)÷2
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
5 |
6 |
1 |
3 |
1 |
4 |
3 |
4 |
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2 |
3 |
3 |
4 |
(4)(-79)÷2
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
5 |
6 |
1 |
3 |
1 |
4 |
3 |
4 |
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2 |
3 |
3 |
4 |
(4)(-79)÷2
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
5 |
6 |
1 |
3 |
1 |
4 |
3 |
4 |
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2 |
3 |
3 |
4 |
(4)(-79)÷2
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
1 |
3 |
1 |
4 |
3 |
4 |
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2 |
3 |
3 |
4 |
(4)(-79)÷2
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
1 |
4 |
3 |
4 |
(2)(-18)+21+(-16)+8+(-23)+28
(3)42×(-
2 |
3 |
3 |
4 |
(4)(-79)÷2
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
3 |
4 |
42×(-
2 |
3 |
3 |
4 |
(4)(-79)÷2
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
3 |
4 |
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
1 |
4 |
4 |
9 |
(5)(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
4 |
9 |
(1
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
(6)-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
4 |
5 |
7 |
10 |
8 |
15 |
1 |
30 |
-1
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
2 |
3 |
1 |
9 |
(7)(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
1 |
9 |
(-2)4+(5-7)3-2×(-9×
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
2 |
3 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
(8)-1101-[-3×(2÷3)2-
3 |
4 |
1012
3 |
4 |
3 |
4 |
▼优质解答
答案和解析
(1)原式=2
-2
=0;
(2)原式=-57+57
=0;
(3)原式=-28+1
=-27;
(4)原式=(-79-29)×
=-108×
=-48;
(5)原式=
×(-30)+
×(-30)-
×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
1 2 1 1 12 2 2-2
=0;
(2)原式=-57+57
=0;
(3)原式=-28+1
=-27;
(4)原式=(-79-29)×
=-108×
=-48;
(5)原式=
×(-30)+
×(-30)-
×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
1 2 1 1 12 2 2
=0;
(2)原式=-57+57
=0;
(3)原式=-28+1
=-27;
(4)原式=(-79-29)×
=-108×
=-48;
(5)原式=
×(-30)+
×(-30)-
×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
4 9 4 4 49 9 9
=-108×
=-48;
(5)原式=
×(-30)+
×(-30)-
×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
4 9 4 4 49 9 9
=-48;
(5)原式=
×(-30)+
×(-30)-
×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
9 5 9 9 95 5 5×(-30)+
×(-30)-
×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
7 10 7 7 710 10 10×(-30)-
×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
8 15 8 8 815 15 15×(-30)
=-54-21+16
=-59;
(6)原式=-
×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
5 3 5 5 53 3 3×(-
)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
1 6 1 1 16 6 6)×
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
9 10 9 9 910 10 10
=
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
1 4 1 1 14 4 4
(7)原式=16-8-2×36
=16-8-72
=-64;
(8)原式=-1-[-3×
-
×
]
=-1-(-
-
)
=-1+
=
.
4 9 4 4 49 9 9-
×
]
=-1-(-
-
)
=-1+
=
.
3 4 3 3 34 4 4×
]
=-1-(-
-
)
=-1+
=
.
1 4 1 1 14 4 4]
=-1-(-
-
)
=-1+
=
.
4 3 4 4 43 3 3-
)
=-1+
=
.
3 16 3 3 316 16 16)
=-1+
=
.
73 48 73 73 7348 48 48
=
.
25 48 25 25 2548 48 48.
1 |
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 |
7 |
10 |
8 |
15 |
=-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 |
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 |
7 |
10 |
8 |
15 |
=-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 |
=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 |
7 |
10 |
8 |
15 |
=-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 |
=-108×
4 |
9 |
=-48;
(5)原式=
9 |
5 |
7 |
10 |
8 |
15 |
=-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 |
=-48;
(5)原式=
9 |
5 |
7 |
10 |
8 |
15 |
=-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 |
7 |
10 |
8 |
15 |
=-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 |
8 |
15 |
=-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 |
=-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 |
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 |
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 |
=
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 |
(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 |
3 |
4 |
1 |
4 |
=-1-(-
4 |
3 |
3 |
16 |
=-1+
73 |
48 |
=
25 |
48 |
3 |
4 |
1 |
4 |
=-1-(-
4 |
3 |
3 |
16 |
=-1+
73 |
48 |
=
25 |
48 |
1 |
4 |
=-1-(-
4 |
3 |
3 |
16 |
=-1+
73 |
48 |
=
25 |
48 |
4 |
3 |
3 |
16 |
=-1+
73 |
48 |
=
25 |
48 |
3 |
16 |
=-1+
73 |
48 |
=
25 |
48 |
73 |
48 |
=
25 |
48 |
25 |
48 |
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