Đáp án:a)\(\left \{ {{x=0.9} \atop {y=-0.04}} \right.\)
b)\(\left \{ {{x=1.25} \atop {y=0.44}} \right.\)
Giải thích các bước giải:
a)\(\left \{ {{2x+\sqrt{3}y=\sqrt{3}} \atop {\sqrt{2}x-3y=\sqrt{2}}} \right.\)
⇔\(\left \{ {{x=0.9} \atop {y=-0.04}} \right.\)
b)\(\left \{ {{x+\sqrt{5}y=\sqrt{5}} \atop {\sqrt{3}x-y=\sqrt{3}}} \right.⇔\left \{ {{x=1.25} \atop {y=0.44}} \right.\)