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Mathematics, 28.01.2022 05:50 viicborella
9. In a bag of marbles there are 9 blue marbles and 6 red marbles. You pick one marble out of the bag and then, without replacing the first marble, you pick another marble out of the bag. How many ways can you pick two blue marbles?
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9. In a bag of marbles there are 9 blue marbles and 6 red marbles. You pick one marble out of the ba...
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