What is the divisibility rule for 3?

What is the divisibility rule for 3?

1. Add up the digits. The sum must be even and divisible by 3.
2. The digits must add up to 9.
3. The last digit must be a 3.
4. Add up the digits. The sum must be divisible by 3.
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Jawaban: D. Add up the digits. The sum must be divisible by 3..

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