1. 5^4=0; 3x^4+2x^3=12x^3+6x^2; x^-3=-3/x^4
2. 1,2x=1,2; x^3/3+3/x^3-4x+1= x^2 -4-9/x^4; x^(5/2)=(5x^3/2)/2
3. -2/x=2/x^2; 3/2-x=3/(2-x)^2; 5√x^3=x^(3/5)=3/(5x^2/5)
4. x^39=39x^38; πx^3-x^2=3πx^2-2x; x*3√x=x*x^(1/3)=4*(x^1/3)/3
5. 2x^8=16x^7; (1-2x)^5=-10(1-2x)^4; e^(1-3x)=-3e^1-3x 6. 1/2*√x=1/(2√x); √0,25-x^2= -x/(0,25-x^2); ln x-x^4=-4x^3+1/x