kill(all)$

van=facebook.com/LearningCalculus$

f(x):=abs(x^2-3*x + 2)/floor(2*x);

integrate(f(x),x,1,2)=integrate(f(x),x,1,2);

'integrate(x^2-3*x + 2,x,1,2)=
 integrate(x^2-3*x + 2,x,1,2);