juliana0122
16.09.2019 •
Mathematics
Aclub has 12 members. in how many ways can we select four members to go on a trip?
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Ответ:
12C4 = 12!
4! 8!
= 12*11*10*9 11*5*9 = 495
=
4*3*2*1
Ответ:
idk
Step-by-step explanation: