匿名
匿名 發問於 科學及數學數學 · 1 十年 前

How can we determine whether a given number an be divided by

How can we determine whether a given number an be divided by 4?

How can we determine whether a given number an be divided by 6?

How can we determine whether a given number an be divided by 7?

How can we determine whether a given number an be divided by 8?

How can we determine whether a given number an be divided by 11?

我想要中文和英文。

更新:

How can we determine whether a given number an be divided by 9?

1 個解答

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  • 1 十年 前
    最佳解答

    Devisable by 4,

    Last two digits together is divisable by 4

    被4整除,

    尾兩位數字被4整除。

    Devisable by 6,

    Sum of all digit numbers divisable by 3 for even numbers only

    被6整除,

    雙數的所有數字之和被3整除。

    Devisable by 7,

    No method to determine.

    被7整除,

    沒有判斷的方法。

    Devisable by 8,

    Last two digits together is divisable by 8 with third-last digit is even number

    or

    Last two digits together is not divisable by 8 but divisable by 4 with third-last digit is odd number

    被8整除,

    尾兩位數字被8整除並且第尾三位為雙數

    尾兩位數字不被8整除但被4整除並且第尾三位為單數

    Devisable by 11,

    Difference of sum of even-digit numbers and sum of odd-digit numbers is divisable by 11

    雙數位的數字之和與單數位的數字之和的差被11整除

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