题目内容
在公式
=
+
中,所有字母都不为零,则用f,u表示v为______.
| 1 |
| f |
| 1 |
| u |
| 1 |
| v |
∵
=
+
,
∴
=
-
=
,
∴v=
.
故答案为:
.
| 1 |
| f |
| 1 |
| u |
| 1 |
| v |
∴
| 1 |
| v |
| 1 |
| f |
| 1 |
| u |
| u-f |
| fu |
∴v=
| fu |
| u-f |
故答案为:
| fu |
| u-f |
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题目内容
| 1 |
| f |
| 1 |
| u |
| 1 |
| v |
| 1 |
| f |
| 1 |
| u |
| 1 |
| v |
| 1 |
| v |
| 1 |
| f |
| 1 |
| u |
| u-f |
| fu |
| fu |
| u-f |
| fu |
| u-f |