题目内容
| 3 |
| 5 |
| 1 |
| 4 |
| 3 |
| 4 |
| 5 |
| 7 |
分析:先算
除以
的商,
加上所得的商,所得的和乘
即可.
| 1 |
| 4 |
| 3 |
| 4 |
| 3 |
| 5 |
| 5 |
| 7 |
解答:解:
(
+
÷
)×
=(
+
)×
=
×
=
.
答:积是
.
(
| 3 |
| 5 |
| 1 |
| 4 |
| 3 |
| 4 |
| 5 |
| 7 |
=(
| 3 |
| 5 |
| 1 |
| 3 |
| 5 |
| 7 |
=
| 14 |
| 15 |
| 5 |
| 7 |
=
| 2 |
| 3 |
答:积是
| 2 |
| 3 |
点评:根据题意,先弄清运算顺序,然后再列式解答.
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