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X:x is a multiple of 3,x |
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Answer» Answer: A = {3, 6, 9, 12, 15, 18} Step-by-step explanation: Multiples of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36,......... x<20, therefore A = {3, 6, 9, 12, 15, 18} |
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