Topic

合数

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Quizzes in 合数

Arithmetic & Number System Mathematics

从下面列表中选出所有质数。

29
35
51
97

Correct answer(s):

29
97

Arithmetic & Number System Mathematics

从列表中选出所有质数：15、17、19、21

15
17
19
21

Correct answer(s):

17
19