Giải hệ phương trình beginarray*20cd4x + y - 1 + d5y -
A.\(\left( {x;\,\,y} \right) = \left( { - \dfrac{{10}}{3};\,\,\dfrac{{19}}{3}} \right)\)
B.\(\left( {x;\,\,y} \right) = \left( {\dfrac{{10}}{3};\,\,\dfrac{{19}}{3}} \right)\)
C.\(\left( {x;\,\,y} \right) = \left( {\dfrac{{19}}{3};\,\, - \dfrac{{10}}{3}} \right)\)
D.\(\left( {x;\,\,y} \right) = \left( {\dfrac{{19}}{3};\,\,\dfrac{{10}}{3}} \right)\)
A.\(\left( {x;\,\,y} \right) = \left( { - \dfrac{{10}}{3};\,\,\dfrac{{19}}{3}} \right)\)
B.\(\left( {x;\,\,y} \right) = \left( {\dfrac{{10}}{3};\,\,\dfrac{{19}}{3}} \right)\)
C.\(\left( {x;\,\,y} \right) = \left( {\dfrac{{19}}{3};\,\, - \dfrac{{10}}{3}} \right)\)
D.\(\left( {x;\,\,y} \right) = \left( {\dfrac{{19}}{3};\,\,\dfrac{{10}}{3}} \right)\)
Loga
Hóa Học lớp 12
