PERMUTATION AND COMBINATION Find number of ways in which 12 different balls can be placed in 5 different boxes considering the order in?
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2017-03-17 1:45 am
✔ 最佳答案
Assuming the balls are distinguishable and the boxes are distinguishable and you're allowed to leave any number (0 to 4) of boxes empty:5^12 = 244,140,625
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https://hk.answers.yahoo.com/question/index?qid=20170316173522AADN3he