题目内容
| 11 |
| 12 |
| 1 |
| 3 |
| 1 |
| 4 |
分析:根据题意,先算
与
的和,再用
减去所得的和即可.
| 1 |
| 3 |
| 1 |
| 4 |
| 11 |
| 12 |
解答:解:
-(
+
),
=
-
,
=
.
答:差是
.
| 11 |
| 12 |
| 1 |
| 3 |
| 1 |
| 4 |
=
| 11 |
| 12 |
| 7 |
| 12 |
=
| 1 |
| 3 |
答:差是
| 1 |
| 3 |
点评:根据题意,先弄清运算顺序,然后再列式计算即可.
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题目内容
| 11 |
| 12 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 11 |
| 12 |
| 11 |
| 12 |
| 1 |
| 3 |
| 1 |
| 4 |
| 11 |
| 12 |
| 7 |
| 12 |
| 1 |
| 3 |
| 1 |
| 3 |