题目内容
化简、计算
(1)
(2)
•
.
(1)
| 1 |
| 2 |
| 20 |
| 3x |
| 6xy |
(1)
=
=
(2)(2)
•
=(3x)
(6xy)
=(3)
(x)
(6)
(x)
(y)
=(18)
(x)
+
(y)
=3
x
| 1 |
| 2 |
| 20 |
| 1 |
| 2 |
| 22×5 |
| 5 |
(2)(2)
| 3x |
| 6xy |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
=(18)
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| y |
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