Question

一次抛掷三次骰子,出现的点数之积等于24的概率

Answer 1

24=1*4*6

=2*2*6

=2*3*4

[A(3,3)+C(1,3)+A(3,3)]/(6*6*6)

=(3!+3+3!)/(6*6*6)

=15/(6*6*6)

=5/72