题目内容
计算:
(1)
-
+
;
(2)|
-
|+|2-
|.
(1)
| 3 | 125 |
| 16 |
| (-3)2 |
(2)|
| 2 |
| 3 |
| 3 |
(1)原式=5-4+3
=4;
(2)原式=(
-
)+(2-
)
=
-
+2-
=2-
.
=4;
(2)原式=(
| 3 |
| 2 |
| 3 |
=
| 3 |
| 2 |
| 3 |
=2-
| 2 |
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题目内容
| 3 | 125 |
| 16 |
| (-3)2 |
| 2 |
| 3 |
| 3 |
| 3 |
| 2 |
| 3 |
| 3 |
| 2 |
| 3 |
| 2 |