问题
填空题
一个正方形的边长为10厘米,它的边长减少x厘米后,得到的新正方形的周长为y厘米,则y与x之间的函数关系式为( )。
答案
y= 40-4x
一个正方形的边长为10厘米,它的边长减少x厘米后,得到的新正方形的周长为y厘米,则y与x之间的函数关系式为( )。
y= 40-4x
补全对话,有两个选项多余。 | |
A: Hi, Mike. The summer vacation is coming. 1 B: Yes, I'm going to Hong Kong for vacation. A: 2 B: I'm going there with my parents. A: 3 B: We're staying there for two weeks. A. 4 B: Well. We are visiting some of our friends and going sightseeing. A: When are you leaving? B: We are leaving next Friday. A: I hope you will have a great time there. B: 5 | |
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