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(1)(−1)4+3.6−(−6.9)+(−45)(2)(512+23-34)×(-12)(3)−22×(−12)−8÷(−3)2(4)9−(−6)2−3−27.

题目详情
(1)(−1)4+3.6−(−6.9)+(−
4
5
)
(2)(
5
12
+
2
3
-
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
(−1)4+3.6−(−6.9)+(−
4
5
)
(2)(
5
12
+
2
3
-
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
)4+3.6−(−6.9)+(−
4
5
)
(2)(
5
12
+
2
3
-
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
)4+3.6−(−6.9)+(−
4
5
)
(2)(
5
12
+
2
3
-
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
4+3.6−(−6.9)+(−
4
5
)
(2)(
5
12
+
2
3
-
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
4
5
4455
5
12
+
2
3
-
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
5
12
551212
2
3
-
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
2
3
2233
3
4
)×(-12)
(3)22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
3
4
3344
22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
22×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
2×(−
1
2
)−8÷(−3)2
(4)
9
(−6)2
3−27
1
2
1122)2
(4)
9
(−6)2
3−27
)2
(4)
9
(−6)2
3−27
2
(4)
9
(−6)2
3−27

9
(−6)2
3−27
9
9
9
(−6)2
3−27
(−6)2
(−6)2
(−6)2)2)22
3−27
3−27
3−273−27
▼优质解答
答案和解析
(1)原式=1+3.6+6.9-0.8=10.7;
(2)原式=-5-8+9=4;
(3)原式=-4×(-
1
2
)-8÷9=2-
8
9
=
10
9

(4)原式=3-6+3=0.
1
2
111222)-8÷9=2-
8
9
=
10
9

(4)原式=3-6+3=0.
8
9
888999=
10
9

(4)原式=3-6+3=0.
10
9
101010999;
(4)原式=3-6+3=0.