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Topic
素数
Practice related MCQ quizzes and improve step by step.
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Quizzes in 素数 for Grade 5
数学
算术与数系
下列哪个数是质数
45
49
43
51
Correct answer(s):
43
数学
算术与数系
从下列数中选出所有质数:21、29、31、35。
21
29
31
35
Correct answer(s):
29
31
数学
算术与数系
下列哪个数是素数
21
29
35
49
Correct answer(s):
29