题目内容
(1)|9
-13
|+5
-7
(2)-
×[-32×(-
)2+(-2)5]
| 5 |
| 19 |
| 3 |
| 26 |
| 23 |
| 26 |
| 14 |
| 19 |
(2)-
| 3 |
| 2 |
| 2 |
| 3 |
(1)|9
-13
|+5
-7
=13
-9
+5
-7
=2;
(2)-
×[-32×(-
)2+(-2)5]
=-
×[-4+(-32)]
=54.
| 5 |
| 19 |
| 3 |
| 26 |
| 23 |
| 26 |
| 14 |
| 19 |
=13
| 3 |
| 26 |
| 5 |
| 19 |
| 23 |
| 26 |
| 14 |
| 19 |
=2;
(2)-
| 3 |
| 2 |
| 2 |
| 3 |
=-
| 3 |
| 2 |
=54.
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