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Amanda goes to the toy store to buy 1 ball and 3 different board games.
If the toy store is stocked with 3 types of balls and 6 types of board games, how many different selections of the 4 items can Amanda make?
If the toy store is stocked with 3 types of balls and 6 types of board games, how many different selections of the 4 items can Amanda make?
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以上解析由 考满分老师提供。
