Вопрос школьника по предмету Математика
Волк гонится за зайцем. Скорость волка 14м/с,а скорость зайца 10м/с. Вначале расстояние между ними было 120м, Каким оно станет через 25с??
Ответ учителя по предмету Математика
14-10=4 разница их скоростей(у волка на 4 больше)
4*25=100 метров 120-100м =20м будет между ними
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Упражнения 1.Раскройте скобки, употребляя гла¬голы в Present или Past Simple.
I (to go) to bed at ten o’clock every day. 2. I (to go) to bed at ten o’clock yesterday. 3. My brother (to wash) his face every morning. 4. Yesterday he (to wash) his face at a quarter past seven. 5. I (not to have) history lessons every day. 6. We (not to rest) yesterday. 7. My brother (not to drink) cof¬fee yesterday. 8. My mother always (to take) a bus to get to work, but yesterday she (not to take) a bus. Yesterday she (to walk) to her office. 9. You (to talk) to the members of your family every day? — Yes, I …. But yesterday I (not to talk) to them: I (to be) very busy yesterday. 10. You (to come) home at six o’clock yesterday? — — No, I …. Yes¬terday I (to come) home from school at half past eight. I (to be) very tired. I (to have) dinner with my family. After dinner I (to be) very thirsty. I (to drink) two cups of tea. Then I (to rest). 11. Your sister (to go) to school every day? — — Yes, she ….