Ẹ Q = 14, P = 23, Π = 196$, CS = 252$, DL = 2; Ạ P = 6, Q = 8;...

48.

Q = 14, P = 23,

π

= 196$, CS = 252$, DL = 2;

P = 6, Q = 8;

f.

Q = 8,5,

π

= -27,75$, CS = 265,5$, DL = 84,5$.

b.

P = 2, Q = 16;