Vă rog , am nevoie urgent

Răspuns:
a×b×12/b=6×12/b
ab×bc×ca=6×12×8=>
(abc)^2=576
abc= 24
acest abc× fiecare a×b=6....
a^2b^2c+ab^2c^2+a^2bc^2=
24(6+12+8)=24×26=624