题目内容
| 69 |
| 10 |
| 11 |
| 15 |
| 1 |
| 2 |
分析:先用
减去
求出差,再用差加上
即可求解.
| 69 |
| 10 |
| 11 |
| 15 |
| 1 |
| 2 |
解答:解:
-
+
=
+
=
答:和是
.
| 69 |
| 10 |
| 11 |
| 15 |
| 1 |
| 2 |
=
| 37 |
| 6 |
| 3 |
| 6 |
=
| 20 |
| 3 |
答:和是
| 20 |
| 3 |
点评:本题只要顺着所叙述的计算顺序列式求解即可.
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题目内容
| 69 |
| 10 |
| 11 |
| 15 |
| 1 |
| 2 |
| 69 |
| 10 |
| 11 |
| 15 |
| 1 |
| 2 |
| 69 |
| 10 |
| 11 |
| 15 |
| 1 |
| 2 |
| 37 |
| 6 |
| 3 |
| 6 |
| 20 |
| 3 |
| 20 |
| 3 |