Ответ:
z^2/z^2-y^2 и z-y/6x+6y = z^2/(z-y)(z+y) и z-y/6(z+y) = 6*z^2 /6(z+y)(z-y) и (z-y)(z-y)/6(z+y) = 6z^2/6(z+y)(z-y) и z^2-y^2/6(z-y)(z+y)
И - Второй вариант
Пошаговое объяснение:
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Ответ:
z^2/z^2-y^2 и z-y/6x+6y = z^2/(z-y)(z+y) и z-y/6(z+y) = 6*z^2 /6(z+y)(z-y) и (z-y)(z-y)/6(z+y) = 6z^2/6(z+y)(z-y) и z^2-y^2/6(z-y)(z+y)
И - Второй вариант
Пошаговое объяснение: