��.182 �� 10-11 �� (��)

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$�� 182. �� :�) {(x-y)(x^2-y^2)=45, x+y=5}; �) {x^2y^3+x^3y^2=12, x^2y^3-x^3y^2=4};�) {x^2y^3=16, x^3y^2=2}; �) {x^2-xy=28,...$

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182. �� :

�) {(x-y)(x^2-y^2)=45, x+y=5}; �) {x^2y^3+x^3y^2=12, x^2y^3-x^3y^2=4};

�) {x^2y^3=16, x^3y^2=2}; �) {x^2-xy=28, y^2-xy=-12}.

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