(4)若F(A,BO)=IM(3,5,6,7), 则F(A,B,C)=∑m(?) 解:∵F(A,B,C)=IM(3,5,6,7), 则F(A,BO)=∑m(0,1,2,4) F(A,B,C=∑m(3,5,6,7)(4)若F(A,B,C)= ∏M( 3, 5, 6, 7) , 则F(A,B,C)=∑m(?)。 解: ∵ F(A,B,C)= ∏M( 3, 5, 6, 7) , 则 F(A,B,C)= ∑ m( 0 , 1 , 2 , 4 ) F(A,B,C)= ∑m( 3, 5, 6, 7)