试题与答案

化简a+b-2aba-b-b-aa+b.

题型:解答题

题目:

化简
a+b-2
ab
a
-
b
-
b-a
a
+
b

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析: 本题调用了fun函数。

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题型:完形填空

根据对话内容,在每个标有题号的空白处填入一个适当的句子,使对话完整,合乎情景。

A: Hi, Tom! Tomorrow is Sunday. What are you going to do?

B: I’ve no idea. 小题1:_____?

A: I’m going to work on my uncle’s farm. Would you like to come with me?

B: 小题2:_______. How far is it?

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A: Let’s meet at the bus stop at 7 o’clock.

B: 小题5:_____. See you then.

A: See you tomorrow.

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