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List J: 5, 7, 9
List K: 4, 6, 8, 10
Set M will be created by choosing 2 different numbers from list J and 1 number from list K. How many different combinations of numbers are possible for set M ?_____
List K: 4, 6, 8, 10
Set M will be created by choosing 2 different numbers from list J and 1 number from list K. How many different combinations of numbers are possible for set M ?_____
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以上解析由 考满分老师提供。
