题目内容
(1)-
-
-
+
-2;
(2)(
-
+
)×(-36).
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 4 |
| 2 |
| 3 |
(2)(
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 6 |
(1)-
-
-
+
-2,
=(-
-
)+(-
+
)-2,
=-1-2,
=-3;
(2)(
-
+
)×(-36),
=
×(-36)+(-
)×(-36)+
×(-36),
=-12+27-6,
=-18+27,
=9.
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 4 |
| 2 |
| 3 |
=(-
| 3 |
| 4 |
| 1 |
| 4 |
| 2 |
| 3 |
| 2 |
| 3 |
=-1-2,
=-3;
(2)(
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 6 |
=
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 6 |
=-12+27-6,
=-18+27,
=9.
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