Respostas

  • Usuário do Brainly
2014-03-06T20:40:08-03:00

a) _ x _ x _ x _ x _ x _  x_ = 268912 anagramas
    4    7  7     7   7    7    4

b) 7!/3!
    7.6.5.4.3/3.2.1=   420 anagramas

c) _ x _ x _ x _ x= 24 anagramas
    1   4 x 3 x 2