leerenee761 leerenee761

Today at 12:41 PM
Mathematics

Answered

how do you do this question? 再20至30之间，有多少个质数？A .2 B.4 C.6 D.8

Answer :

emelynkoh emelynkoh

Today at 12:46 PM

Answer:

有两个，是23 和29

所以是 A

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