题目内容
计算:
÷2
×
=______,(3
+
)(
-4
)=______
| 8 |
| 6 |
| 12 |
| 2 |
| 48 |
| 8 |
| 3 |
原式=
=
×4=2;
(2)原式=3×4-12
+8
-48=-36-4
.
故本题答案为:2;-36-4
.
| 1 |
| 2 |
|
| 1 |
| 2 |
(2)原式=3×4-12
| 6 |
| 6 |
| 6 |
故本题答案为:2;-36-4
| 6 |
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题目内容
| 8 |
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| 2 |
| 48 |
| 8 |
| 3 |
| 1 |
| 2 |
|
| 1 |
| 2 |
| 6 |
| 6 |
| 6 |
| 6 |