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计算:(1)-72+47-13×(-2)(2)45-62×(112-518+736)(3)-12-[-6+(-12)÷6]2×(−34)3.
题目详情
计算:
(1)-72+47-13×(-2)
(2)45-62×(
-
+
)
(3)-12-[-6+(-12)÷6]2×(−
)3.
2
-
+
)
(3)-12-[-6+(-12)÷6]2×(−
)3.
1 1 12 12
+
)
(3)-12-[-6+(-12)÷6]2×(−
)3.
5 5 18 18
)
(3)-12-[-6+(-12)÷6]2×(−
)3.
7 7 36 36
22(−
)3.
3 3 4 4 )3.)3.3.
(1)-72+47-13×(-2)
(2)45-62×(
1 |
12 |
5 |
18 |
7 |
36 |
(3)-12-[-6+(-12)÷6]2×(−
3 |
4 |
2
1 |
12 |
5 |
18 |
7 |
36 |
(3)-12-[-6+(-12)÷6]2×(−
3 |
4 |
1 |
12 |
5 |
18 |
7 |
36 |
(3)-12-[-6+(-12)÷6]2×(−
3 |
4 |
5 |
18 |
7 |
36 |
(3)-12-[-6+(-12)÷6]2×(−
3 |
4 |
7 |
36 |
22(−
3 |
4 |
3 |
4 |
▼优质解答
答案和解析
(1)原式=-72+47+26=-72+73=1;
(2)原式=45-36×(
-
+
)
=45-36×
+36×
-36×
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
)3
=-1-64×(-
)
=-1+27
=26.
1 1 112 12 12-
+
)
=45-36×
+36×
-36×
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
)3
=-1-64×(-
)
=-1+27
=26.
5 5 518 18 18+
)
=45-36×
+36×
-36×
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
)3
=-1-64×(-
)
=-1+27
=26.
7 7 736 36 36)
=45-36×
+36×
-36×
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
)3
=-1-64×(-
)
=-1+27
=26.
1 1 112 12 12+36×
-36×
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
)3
=-1-64×(-
)
=-1+27
=26.
5 5 518 18 18-36×
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
)3
=-1-64×(-
)
=-1+27
=26.
7 7 736 36 36
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)22×(-
)3
=-1-64×(-
)
=-1+27
=26.
3 3 34 4 4)3
3
=-1-64×(-
)
=-1+27
=26.
27 27 2764 64 64)
=-1+27
=26.
(2)原式=45-36×(
1 |
12 |
5 |
18 |
7 |
36 |
=45-36×
1 |
12 |
5 |
18 |
7 |
36 |
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
3 |
4 |
=-1-64×(-
27 |
64 |
=-1+27
=26.
1 |
12 |
5 |
18 |
7 |
36 |
=45-36×
1 |
12 |
5 |
18 |
7 |
36 |
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
3 |
4 |
=-1-64×(-
27 |
64 |
=-1+27
=26.
5 |
18 |
7 |
36 |
=45-36×
1 |
12 |
5 |
18 |
7 |
36 |
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
3 |
4 |
=-1-64×(-
27 |
64 |
=-1+27
=26.
7 |
36 |
=45-36×
1 |
12 |
5 |
18 |
7 |
36 |
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
3 |
4 |
=-1-64×(-
27 |
64 |
=-1+27
=26.
1 |
12 |
5 |
18 |
7 |
36 |
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
3 |
4 |
=-1-64×(-
27 |
64 |
=-1+27
=26.
5 |
18 |
7 |
36 |
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)2×(-
3 |
4 |
=-1-64×(-
27 |
64 |
=-1+27
=26.
7 |
36 |
=45-3+10-7
=55-10
=45;
(3)原式=-1-(-6-2)22×(-
3 |
4 |
=-1-64×(-
27 |
64 |
=-1+27
=26.
3 |
4 |
3
=-1-64×(-
27 |
64 |
=-1+27
=26.
27 |
64 |
=-1+27
=26.
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