1.(88-3)1110110110110111.2.(89-3)行列式1111111111111111xxxx.3.(96-1)四阶行列式1122334400000000ababbaba的值等于(A)12341234.aaaabbbb(B)12341234.aaaabbbb(C)12123434()().aabbaabb(D)23231414()().aabbaabb4.(99-2)记行列式212322212223333245354435743xxxxxxxxxxxxxxxx为()fx,则方程()0fx的根的个数为(A)1.(B)2.(C)3.(D)4.5.(91-3)n阶行列式0000000000000000nababaabba.6.(96-3)五阶行列式100011000110001100011aaaaaaaaa.