题目内容
计算
(1)3
+
-(1-
)-
(2)(4
-4
+3
)÷2
.
(1)3
|
| (-3)2 |
| 3 |
| 12 |
| 6 |
|
| 8 |
| 2 |
(1)原式=
+3-1+
-2
=2;
(2)原式=(4
-2
+6
)÷2
=2
+2.
| 3 |
| 3 |
| 3 |
(2)原式=(4
| 6 |
| 2 |
| 2 |
| 2 |
| 3 |
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题目内容
|
| (-3)2 |
| 3 |
| 12 |
| 6 |
|
| 8 |
| 2 |
| 3 |
| 3 |
| 3 |
| 6 |
| 2 |
| 2 |
| 2 |
| 3 |