平方得25的数是______，立方得-64的数是______．

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问题填空题

答案

设x的平方得25，

∴x²=25，

∴x=±5，

设x的立方得-64，

∴x³=-64，

x=-4，

故答案为：±5，-4．

填空题

Pat不知道下面这些词的用法，你能帮他一起选词填空吗？

1. — ______! This is________ photo of my family.

— Oh, it's very nice.

2. — What's this in the box?

— It's _____ orange coat. It's Tom's.

3. — Do you know Pat?

— Yes. He's a tall and __________ boy. He's from England.

4. — Who's ________ girl in this picture? She's very pretty.

— She's my classmate Sally.

问答题简答题

简述瑞典议会督察专员的基本职能。