题目内容
计算题;
(1)(3
+
)÷
;
(2)(
-1)(
+1)-(
-24)÷
(1)(3
| 15 |
|
| 5 |
(2)(
| 3 |
| 3 |
| 18 |
| 6 |
(1)原式=3
÷
+
÷
=3
+
=
;
(2)原式=3-1-
+4
=2-
+4
.
| 15 |
| 5 |
|
| 5 |
=3
| 3 |
| ||
| 5 |
| 16 |
| 3 |
| 3 |
(2)原式=3-1-
| 3 |
| 6 |
| 3 |
| 6 |
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题目内容
| 15 |
|
| 5 |
| 3 |
| 3 |
| 18 |
| 6 |
| 15 |
| 5 |
|
| 5 |
| 3 |
| ||
| 5 |
| 16 |
| 3 |
| 3 |
| 3 |
| 6 |
| 3 |
| 6 |