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vdavihbk
07.04.2020 •
Mathematics
A bag contains 9 blue marbles and 3 red marbles find the probability of one red marble and one blue marble
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Ответ:
5*5*5*5*5*5*5=78,125
7*7*7*7*7=16,807
5+5+5+5+5+5+5=35
7+7+7+7+7=35
try
5+5+5+5+5+5+5+5+5+5+5+5+5+5+5=75
Step-by-step explanation: