# A variation of divisibility rule of 3?

Four true facts:

$123456789$ is divisible by 3.
$12345+6789$ is divisible by 3.
$123+456+789$ is divisible by 3.
$12+3456+78+9$ is divisible by 3.

True or False?

No matter where and how many $+$ signs you put in between the digits of the number 123456789, the resulting number is still divisible by 3.

×

Problem Loading...

Note Loading...

Set Loading...