题目内容
| 2 |
| 15 |
| 4 |
| 5 |
| 2 |
| 3 |
分析:先算
与
的积,再用
加上所得的积即可.
| 4 |
| 5 |
| 2 |
| 3 |
| 2 |
| 15 |
解答:解:
+
×
,
=
+
,
=
.
答:和是
.
| 2 |
| 15 |
| 4 |
| 5 |
| 2 |
| 3 |
=
| 2 |
| 15 |
| 22 |
| 15 |
=
| 8 |
| 5 |
答:和是
| 8 |
| 5 |
点评:根据题意,先弄清运算顺序,然后再列式解答.
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题目内容
| 2 |
| 15 |
| 4 |
| 5 |
| 2 |
| 3 |
| 4 |
| 5 |
| 2 |
| 3 |
| 2 |
| 15 |
| 2 |
| 15 |
| 4 |
| 5 |
| 2 |
| 3 |
| 2 |
| 15 |
| 22 |
| 15 |
| 8 |
| 5 |
| 8 |
| 5 |