leerenee761
leerenee761 leerenee761
  • 13-02-2021
  • Mathematics
contestada

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​

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emelynkoh
emelynkoh emelynkoh
  • 13-02-2021

Answer:

有两个，是23 和29

所以是 A

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