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  • if 7 is less than 4,then 7 is not a prime number(素數(shù)).

    if 7 is less than 4,then 7 is not a prime number(素數(shù)).
    7 is not less than 4.
    _____________________
    7 is a prime number.
    就是不知道橫線里面填什么!求高人指教一二!
    英語人氣:819 ℃時間:2020-06-23 21:58:29
    優(yōu)質(zhì)解答
    這是歸納法三段論,橫線上填的是歸納原理,即the number that is not less than 4 is not a prime number
    結(jié)論應(yīng)該是7 is (not) a prime number.多了一個not
    更準確的講,第一行應(yīng)該是the number that is less than 4 is not a prime number
    第二行7 is not less than 4.
    第三行 7 is not a prime number.
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