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  • Please solve these problems for me!Please please please

    Please solve these problems for me!Please please please
    NON-SQUARES
    The numbers 1,4,9,16,25,36,49,64,81,… are called the square numbers.
    Let’s call the omitted numbers 2,3,5,6,7,8,10,11,12,13,...the non-square numbers.
    The first non-square number is 2
    The second non-square number is 3.
    The third non-square number is 5.
    a) What is the twentieth non-square number?
    b) How many two-digit non-square numbers are there?
    c) What is the hundredth non-square number?
    d) The nth square number is given by the formula n^2 (that is,n raised to the second power).Find a formula for the nth non-square number.
    英語人氣:393 ℃時(shí)間:2020-02-05 14:46:00
    優(yōu)質(zhì)解答
    問題不是太懂,但我知道n與n-1之間有2(n-1)個(gè)非完全平方數(shù)
    我來回答
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