What is the least value that must be assigned to A so that the number 659A9422 is divisible by 3?
What is the least value that must be assigned to A so that the number 506A2404 is divisible by 3?
What is the least value that must be assigned to A so that the number 469A1423 is divisible by 3?
What is the least value that must be assigned to A so that the number 604A4744 is divisible by 3?