Вопрос школьника по предмету Математика
из двух городов одновременно навстречу друг другу выехали две машины и встретились через 5ч. Скорость первой машины 85 км/ч. Обе машины проехали расстояние 775 км. Найти скорость второй машины
Ответ учителя по предмету Математика
775:5-85 это очень легко
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Change the meaning of the sentences to the opposite by adding the negative prefix ‘un-‘ to the words in bold type, and making other necessary changes. Translate the sentences into Russian.
1. It was very(kind) of you to come to see us off. We had so many pieces of luggage. 2. That is a rather(usual) way to begin a conversation with a stranger. 3. She was quite(prepared) for what she found on her return home. 4. In the silence of the night I heard(hurried) steps under my window. 5. It’s so (like) him to make a promise and never keep it. 6. We were told that it was(safe) to cross the river in that place. 7. When I finished speaking he made an(important) remark. 8. She is quite(able) to do without outside help. 9. I believe these changes to be(necessary). 10. He felt (well) that day and enjoyed the long country walk. 11. There was something(pleasant) in the way she spoke and laughed.
наименьший модуль имеет число