equation in two unknowns equation of a straight line equation of condition equation of continuity equation of equilibrium equation of motion equation of state equation of telegraphy equation of time equations equation solver equatorial bond equatorial current equatorial parallax equatorial position equatorial telescope equatorial zone equiareal mapping equiaxial equibalance |
equation in two unknowns уравнение с две неизвестни Търсената дума е намерена |