2)
a) M € (AA1D), M € (A1B1C1)
P € (AA1D1), P € (ABC)
K € (ABC), K € (BB1C1)
б) MN € (AA1D1)
KF € (ABC)
AD € (ABC), AD € (AA1D1)
в) MN ⋂ (AA1B1) = Q
MN ⋂ (A1B1D1) = M
MN ⋂ (ABC) = P
MN ⋂ (CC1D1) = N
г) (AA1D1) ⋂ (AA1B1) = AA1
(MNK) ⋂ (CC1D1) = NF
(MNK) ⋂ (ABC) = KF