题目内容
已知
+4(
+
+
)=
,求代数式3+48×(
)的值.
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| x |
| 1 |
| 3y |
| 5 |
| 4 |
| xy+12y+4x |
| 12xy |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| x |
| 1 |
| 3y |
| 1 |
| 4 |
| xy+12y+4x |
| 12xy |
∴3+48×(
| xy+12y+4x |
| 12xy |
| 5 |
| 4 |
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题目内容
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| x |
| 1 |
| 3y |
| 5 |
| 4 |
| xy+12y+4x |
| 12xy |
| 1 |
| 4 |
| 1 |
| 12 |
| 1 |
| x |
| 1 |
| 3y |
| 1 |
| 4 |
| xy+12y+4x |
| 12xy |
| xy+12y+4x |
| 12xy |
| 5 |
| 4 |