1.
Int(Int(f(x,y))dx(0..lny))dy(1..4)
Int(Int(f(x,y))dx(0..e^x))dy(1..e)

2. 
Int(Int(1/(x^2+1)^2)dx(y/2..1))dy(0..2)
Int(Int(1/(x^2+1)^2)dx(e^y/2..1))dy(1..e^2)