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(7+2)1/3=9*1/3=3
b)4x y(x+y) dla x=6 i y=-2
4*6*(-2)*(6-2)=-48*4=-192
c)-x+2y-3 dla x=-5 i y=-4
5+2*(-4)-3= -6
(7+2)*1/3=9*1/3=3
b)4x y(x+y) dla x=6 i y=-2
4*6*-2(6-2)=-48*4=-192
c)-x+2y-3 dla x=-5 i y=-4
5-8-3=-6
(7+2)* 1/3
9*1/3 = 3
b)4x y(x+y)
4*6*(-2)(6+(-2))
24*(-2)*4
24*(-8) = -192
c)-x+2y-3
5+2*(-4)-3
5+(-8)-3 = -6