题目内容
用除法表示下列分式
(1)
=______.
(2)
=______.
(3)
=______.
(4)
=______.
(1)
| x |
| y |
(2)
| x2+1 |
| -3 |
(3)
| -(p-q)2 |
| 2x |
(4)
| 1 |
| x-2y |
(1)
=x÷y.
(2)
=(x2+1)÷(-3).
(3)
=-(p-q)2÷2x.
(4)
=1÷(x-2y).
故答案是:(1)x÷y;
(2)(x2+1)÷(-3).
(3)-(p-q)2÷2x.
(4)1÷(x-2y).
| x |
| y |
(2)
| x2+1 |
| -3 |
(3)
| -(p-q)2 |
| 2x |
(4)
| 1 |
| x-2y |
故答案是:(1)x÷y;
(2)(x2+1)÷(-3).
(3)-(p-q)2÷2x.
(4)1÷(x-2y).
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