A and B are two natural numbers that are not 0. If (1/3) of A’s number is exactly (1/4) of B’s number, what is the minimum value of the sum of A’s and B’s two numbers?
甲乙两个不为0的自然数，如果甲数的(1/3)恰好是乙数的(1/4)，那么甲乙两数之和的最小值是多少？
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