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Mathematics, 10.08.2021 20:50, mmsomefood85
a box contains 2 white balls. 3 black balls and 4 red balls. In how many ways can 3 balls can be drawn from the box, if at least one blackk ball is to be included in the draw?
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Answers: 3
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a box contains 2 white balls. 3 black balls and 4 red balls. In how many ways can 3 balls can be dra...
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