Перейти к выбору ответа 01.04.2022Преобразуйте в многочлен б) (c+4)(c-5) Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Вопрос школьника по предмету Алгебра Преобразуйте в многочлен б) (c+4)(c-5) Ответ учителя по предмету Алгебра Ответ: (с+4)(с-5)=с^2-5с+4с-20 с^2 — это с в квадрате
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5 — 9 классы Английский язык 5 баллов
1. As our school canteen___ l don’t have lunch at school. now.
a) is being repaired b) being repaired c) was repaired
2. l am glad that l___ by this teacher.
a) taught b) am taught c) am teached
3. How __ one travel alone, l wonder.
a) must b) can c) need
4. You__ tell it to me hundred times, dad l am a grownup person.
a) must b) needn’t c) need
5. It is a secret. You __ tell it to anyone.
a) needn’t b) should c) shouldn’t
6. The sky is too grey. It __ rain all day.
a) must be b) may c) could
7. ___ you sendme some money, please.
a) should b) need c) could
8. My uncle had a heart attack l___ to call the Doctor.
a) had to b) needn’t c) should
9. It ____ immediately, hurry up!
a) can be done b) must be done c) could be done
10. The exercise ___ in writing .
a) can do b) can be done c) could do