写出一个过点（0，3），且函数值y随自变量x的增大而减小的一次函数关系式：_1．（填上一个答案即可）_刷题宝

题干

写出一个过点（0，3），且函数值y随自变量x的增大而减小的一次函数关系式：____．（填上一个答案即可）

上一题下一题 0.0难度选择题更新时间:2011-11-29 07:37:17

答案(点此获取答案解析）

y=﹣x+3

同类题1

补全对话
Bob: Hi, Bill! I’ve heard you are a football fan, aren’t you?
Bill: Yes.
Bob: (1) ____
Bill: Well, when I watch a football game, I feel excited. (2)____
Bob: Just a little bit. I’m not good at playing football. (3)____
Bill: Oh, I see. Do you have any favourite football stars?
Bob: (4)____
Bill: Oh, I like him, too.
Bob: (5) ____
Bill: Not much. I’m going to join a football club so that I can play football more.
Bob: That’s a good idea

A. What about you？Do you play football?
B. But I like watching football matches.
C. How do you feel when you watch a football game?
D. Yes, I like Ronaldo best.
E. Do you play football a lot?

同类题2

看图写字。

____ ____

同类题3

Denny lives only 300 metres away.How________it be that he was an hour late for the meeting?

同类题4

判断对错．

当a比15多b时，用等式表示是a=15＋b．

同类题5

根据语境从方框中选择恰当的短语填空。有的需要变换形式。每个短语限用一次。

make progress, at the end of, feel sorry for, be proud of, do well in, make mistakes, take part in, get into trouble

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