Answer:
1) composite: 1, 3 , 11 , 33
2) composite 1, 3, 31, 93
Explanation:
1) We know that 33 is divisible by 3 because the whole value is equal to 6, and the last digit is a 3.
2) We know that 93 is divisible by 3 because the last digit was 3, and all of the place values added up to 12, which is also divisible by 3.
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