Перейти к выбору ответа 02.04.2022Помигите 7класс 1) x⁵× x⁸ 2) x⁹: x³ 3)(x⁷)² 4)(а²)³× (а³)⁵ Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Вопрос школьника по предмету Алгебра Помигите 7класс 1) x⁵× x⁸ 2) x⁹: x³ 3)(x⁷)² 4)(а²)³× (а³)⁵ Ответ учителя по предмету Алгебра 1) x⁵× x⁸=x⁵⁺⁸=x¹³ 2) x⁹: x³=x⁹⁻³=x⁶ 3)(x⁷)²=x⁷*²=x¹⁴ 4)(а²)³× (а³)⁵=a²*³a³*⁵= a⁶a¹⁵=a⁶⁺¹⁵=a²¹
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Answer the following questions according to the model. Make use of the phrases.
Model: How long did (will) they wait? (the train, start)
They waited (will wait) till (until) the train started (starts).
the mother, come; get an answer to their letter; it, get dark; it, get too hot; somebody, wake up; move to the South; everybody, leave
How long: 1. was he ill? 2. did (will) they stay in town? 3. did the baby cry? 4. did they play football? 5. did they stay in the Crimea? 6. did he sleep? 7. did he stay at the party?