题目内容
计算：(
x-
y)2=______．
| 1 |
| 2 |
| 1 |
| 3 |
(
x-
y)2=
x2-
xy+
y2．
故答案为：
x2-
xy+
y2．
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 9 |
故答案为：
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 9 |
练习册系列答案
阅读快车系列答案
相关题目
阅读快车系列答案题目内容
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 9 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 9 |
阅读快车系列答案