Предмет: Математика, автор: bruledgar

Відомо, що ДАВС=AMNK, у трикутнику ABC LA=55°, кут В на 10° менший від нього, а кут С на 20° менший від Їхньої суми. Знайдіть кути трикутника MNK.
ПОЖАЛУЙСТА ПОМОГИТЕ, ОЧЕНЬ СРОЧНО, БУДУ БЛАГОДАРЕН БЕЗМЕРНО

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Автор ответа: valeriavalcovskaa

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