Respuesta :

sqdancefan
= (200*199*198*197*196*195!)/(5!*195!)
= (200*199*198*197*196)/(5*4*3*2*1)
= 10*199*33*197*196 . . . . . . factor of 5*4=20 removed from 200, factor of 3*2=6 removed from 198
.. = 330*199*197*196
.. = 2,535,650,040

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