题目内容
| 5 |
| 12 |
| 1 |
| 4 |
| 4 |
| 5 |
| 2 |
| 3 |
分析:先算
与
差,所得的差再乘上
,再用
除以所得的积.
| 5 |
| 12 |
| 1 |
| 4 |
| 4 |
| 5 |
| 2 |
| 3 |
解答:解:
÷[(
-
)×
]
=
÷[
×
]
=
÷
=5.
答:商是5.
| 2 |
| 3 |
| 5 |
| 12 |
| 1 |
| 4 |
| 4 |
| 5 |
=
| 2 |
| 3 |
| 1 |
| 6 |
| 4 |
| 5 |
=
| 2 |
| 3 |
| 2 |
| 15 |
=5.
答:商是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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