问题
填空题
写出一个经过点（1，－1）的函数的表达式 ．
答案
设函数的解析式为
，把点（1，﹣1）代入得k=﹣1，故函数的表达式．
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写出一个经过点（1，－1）的函数的表达式 ．
设函数的解析式为，把点（1，﹣1）代入得k=﹣1，故函数的表达式．
| 根据下面方框里所给的单词填空。 | |
| Mrs. Mary: Is 1 your marker, Kim? Kim: No, Mrs. Mary. It is not 2 marker. Mrs. Mary: Is this Jenny's marker? Kim: No, Mrs. Mary. It is not 3 marker. Mrs. Mary: Tom has a marker. Is this 4 marker? Kim: No, Mrs. Mary. It is not 5 marker. Mrs. Mary: Whose marker is it? It is 6 marker.
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