Mathematics, 17.07.2020 04:01 gracye
In a box, there are 4 red and 9 white balls. How many balls should be taken out of the box, so that there will be at least two red balls among them?
Answers: 1
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In a box, there are 4 red and 9 white balls. How many balls should be taken out of the box, so that...
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