A number is divisible by 3 if the sum of its digits is divisible by 3.
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blank = 2 is a possible answer.
Its the remainder
Converse:If a number is divisible by 3, then every number of a digit is divisible by three. Inverse: If every digit of a number is not divisible by 3 then the number is not divisible by 3? Contrapositive:If a number is not divisible by 3, then every number of a digit is not divisible by three.
35 is not divisible by 3.
If the sum of the digits of a number is divisible by 3, then the number is divisible by 3.