题目内容
计算:
(1)-16+23+(-17)-(-7)
(2)(-1)2012×6+8÷(-2)3
(3)(-36)×(
-
+
).
(1)-16+23+(-17)-(-7)
(2)(-1)2012×6+8÷(-2)3
(3)(-36)×(
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 9 |
(1)-16+23+(-17)-(-7)
=-16+23-17+7
=-3;
(2)(-1)2012×6+8÷(-2)3
=1×6+8÷(-8)
=6-1
=5;
(3)(-36)×(
-
+
)
=-36×
+36×
-36×
=-27+30-28
=-25.
=-16+23-17+7
=-3;
(2)(-1)2012×6+8÷(-2)3
=1×6+8÷(-8)
=6-1
=5;
(3)(-36)×(
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 9 |
=-36×
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 9 |
=-27+30-28
=-25.
练习册系列答案
相关题目