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Mathematics 7 Online
OpenStudy (anonymous):

im trying to evaluate 11c8 or at least understand how @Chris911

OpenStudy (chris911):

for 11c4 its = 11! / 4!(11-4)! =330 refer to http://openstudy.com/study#/updates/4f6e1af8e4b0772daa086e01

OpenStudy (anonymous):

thank you so much!!

OpenStudy (chris911):

aw no prob :) ;)

OpenStudy (anonymous):

:) !

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