题目内容
计算:
(1)
-9
+
(2)(
-
)÷
.
(1)
| 12 |
|
| 75 |
(2)(
| 48 |
| 27 |
| 3 |
(1)原式=2
-3
+5
=4
;
(2)原式=(4
-3
)÷
=
÷
=1.
| 3 |
| 3 |
| 3 |
| 3 |
(2)原式=(4
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
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题目内容
| 12 |
|
| 75 |
| 48 |
| 27 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |
| 3 |