问题
填空题
从卡片2、3、5中任意抽取两张,积是双数的可能性是______,积是单数的可能性是______.
答案
从卡片2、3、5中任意抽取两张,积有2×3=6,2×5=10,3×5=15一共三种情况,
所以积是双数的有6、10两种情况,可能性是
;2 3
积是单数的有15一种情况,可能性是
;1 3
故答案为:
,2 3
.1 3
从卡片2、3、5中任意抽取两张,积是双数的可能性是______,积是单数的可能性是______.
从卡片2、3、5中任意抽取两张,积有2×3=6,2×5=10,3×5=15一共三种情况,
所以积是双数的有6、10两种情况,可能性是
;2 3
积是单数的有15一种情况,可能性是
;1 3
故答案为:
,2 3
.1 3
选择恰当的词补全对话 。 | |
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A: Have you seen my MP3 player? B: Oh, I 1 to tell you. I needed an MP3 player yesterday and I borrowed yours. I hope you don't 2 _. A: What? You borrowed my MP3 player 3 asking? How could you do that? You always do this. And then you don't return things on time, 4 . B: Yeah, I'm sorry to tell you. I think it's 5 . A: What? Broken! What 6 ? B: I didn't do 7 . I was just listening to some music when suddenly it stopped. I can't make it play again. A: That's 8 . I've 9 had any problem with it before. Are you 10 you didn't do anything to it? B: Yeah. I just listened to it. But don't worry. I'll ask my uncle to fix it when he comes back. |