问题:
(1)-(+4)-(-5)
(2) (-2)3×8-8×(
1
2
)3+8÷
1
8
(3) (
3
4
-
5
6
+
7
12
)÷(-
1
36
)
(4)-1 2+[20-(-2) 3]÷(-4)
(1)-(+4)-(-5)
(2) (-2)3×8-8×(
)3+8÷
(3) (
-
+
)÷(-
)
(4)-1 2+[20-(-2) 3]÷(-4)
(2) (-2)3×8-8×(
1 |
2 |
1 |
8 |
(3) (
3 |
4 |
5 |
6 |
7 |
12 |
1 |
36 |
(4)-1 2+[20-(-2) 3]÷(-4)
参考答案: