已知p:x2-2x-3<0;q:<0,若p且q为真,则x的取值范围是_______.
==36÷ = (填小数)
18: =0.25= %= ÷24=.
2.5==50÷ = ÷50.
6: = %=0.25= ÷48= (填分数)
4÷5= = = = ÷80.