A是2x²-x-6≥0的解集,(2x+3)(x-2)≥0,得:A={x|x≤-3/2或x≥2},又:(1-x)/(x-3)≥0,(x-1)/(x-3)≤0,得:B={x|1≤x<3}。则:AUB={x|x≤-3/2或x≥1},Cu(AUB)={x|-3/2