题目内容
计算题:
(1)|-3+1|-(+2);
(2)-
+(-
)-(-
)-0.5;
(3)(-
)÷(-
)×
-(-
)2;
(4)-14-(-5
)×
+(-2)3
(1)|-3+1|-(+2);
(2)-
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 4 |
(3)(-
| 5 |
| 6 |
| 5 |
| 4 |
| 3 |
| 2 |
| 1 |
| 2 |
(4)-14-(-5
| 1 |
| 2 |
| 4 |
| 11 |
(1)|-3+1|-(+2)
=2-2
=0;
(2)-
+(-
)-(-
)-0.5
=(-
-
)+(
-
)
=-
-
=-
;
(3)(-
)÷(-
)×
-(-
)2
=(-
)×(-
)×
-
=1-
=
;
(4)-14-(-5
)×
+(-2)3
=-1+
×
-8
=-1+2-8
=-9+2
=-7.
=2-2
=0;
(2)-
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 4 |
=(-
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 4 |
| 1 |
| 2 |
=-
| 1 |
| 2 |
| 1 |
| 4 |
=-
| 3 |
| 4 |
(3)(-
| 5 |
| 6 |
| 5 |
| 4 |
| 3 |
| 2 |
| 1 |
| 2 |
=(-
| 5 |
| 6 |
| 4 |
| 5 |
| 3 |
| 2 |
| 1 |
| 4 |
=1-
| 1 |
| 4 |
=
| 3 |
| 4 |
(4)-14-(-5
| 1 |
| 2 |
| 4 |
| 11 |
=-1+
| 11 |
| 2 |
| 4 |
| 11 |
=-1+2-8
=-9+2
=-7.
练习册系列答案
相关题目