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$�� 37.18. �� :�) {a^2+b^2=29, a^2-2b^2=17};�) {3a^2+2b^2=45,5, 5a^2-4b^2=8};�) {2a^2+b^2=43, a^2-b^2=-16};�) {2a^2+5b^2=223,...$

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37.18. �� :

�) {a^2+b^2=29, a^2-2b^2=17};

�) {3a^2+2b^2=45,5, 5a^2-4b^2=8};

�) {2a^2+b^2=43, a^2-b^2=-16};

�) {2a^2+5b^2=223, 5a^2-3b^2=170}.

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