题目内容
| 3 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
分析:先用
减去
求出差,然后用所得的差加上
即可.
| 3 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
解答:解:(
-
)+
,
=
+
,
=
;
答:和是
.
| 3 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
=
| 5 |
| 12 |
| 5 |
| 6 |
=
| 5 |
| 4 |
答:和是
| 5 |
| 4 |
点评:先根据数量关系找出计算的顺序,根据运算的顺序列出算式求解.
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题目内容
| 3 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
| 5 |
| 12 |
| 5 |
| 6 |
| 5 |
| 4 |
| 5 |
| 4 |