# 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?

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

### 1 個解答

• 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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