6 8 3h July 8, 2019 16 32 64 128 6 8 3х 4 6 * 8 3h rooms and exits 6 8 3h time 6 * 8 3h answer 6 x 8 3h 3х 8 х 6 3 4х 8 )= 3х 6 3х 6 8 2х 5х 6 3х 8 4х 8 6 3х 6 8 1 3х 7 2 3х 6 8 6 х 3 *(- 8 3х 6 8 3h resultado