Тест на тему решение треугольников

Тест по алгебре: Рациональные дроби (8 класс) Тип вопросов: Единственный выбор Количество вопросов: 15 Ответы приводятся в конце

1. Упростите дробь 6/8. A) 3/4 B) 6/8 C) 2/3 D) 1/2

2. 1/3 + 1/6 = ? A) 1/2 B) 1/3 C) 1/6 D) 2/3

3. 5/7 - 2/7 = ? A) 7/5 B) 3/7 C) 5/2 D) 1/7

4. Умножение: 4/9 × 3/5 = ? A) 4/15 B) 6/15 C) 4/9 D) 7/15

5. (2/3) ÷ (4/7) = ? A) 7/6 B) 3/2 C) 14/3 D) 6/7

6. Приведите к смешанному числу: 11/4 = ? A) 2 3/4 B) 3 1/4 C) 2 1/4 D) 2 1/2

7. Какая дробь больше: 7/9 или 4/5? A) 7/9 B) 4/5 C) одинаковы D) нельзя определить

8. Найдите сумму: 2/3 + 5/8 = ? A) 31/24 B) 31/32 C) 7/24 D) 1 1/24

9. (3/4) ÷ (2/5) = ? A) 15/8 B) 5/6 C) 8/15 D) 3/10

10. Сумма: 3/4 кг муки и 1/6 кг муки. A) 11/12 B) 13/12 C) 5/6 D) 7/12

11. (7/9) ÷ (5/6) = ? A) 14/15 B) 7/10 C) 42/35 D) 15/14

12. Приведите к дроби: 2 1/4 = ? A) 9/4 B) 2/4 C) 5/4 D) 2 1/2

13. Сложение: 1 2/3 + 2 1/6 = ? A) 3 5/6 B) 3 1/2 C) 3 2/3 D) 3 1/6

14. Упростите дробь: 54/81. A) 2/3 B) 3/4 C) 6/9 D) 1/6

15. Пропорция: 3/4 = x/16. Найдите x. A) 12 B) 9 C) 8 D) 16

Ответы: 1A, 2A, 3B, 4A, 5A, 6A, 7B, 8A, 9A, 10A, 11A, 12A, 13A, 14A, 15A

Тест по английскому языку: Экология (7 класс)

Выберите правильное слово для каждого пропуска:

1. Pollution is the ______ of the environment. a) protection b) destruction c) conservation d) improvement

2. We should reduce our ______ footprint to help the environment. a) carbon b) plastic c) paper d) metal

3. Planting trees helps to ____ the air quality in our cities. a) harm b) worsen c) improve d) pollute

4. Recycling paper can _____ the amount of waste in landfills. a) increase b) decrease c) maintain d) ignore

5. The ozone layer helps to protect us from harmful _____ from the sun. a) radiation b) pollution c) contamination d) garbage

6. Using public transportation instead of driving a car can ____ air pollution. a) reduce b) increase c) ignore d) worsen

7. Switching off lights and electronics when not in use can _____ energy. a) conserve b) waste c) save d) deplete

8. Plastic bags are harmful to the environment because they do not easily _____. a) disintegrate b) decompose c) recycle d) evaporate

9. The ____ of animals and plants is essential for maintaining a balanced ecosystem. a) disappearance b) reproduction c) extinction d) preservation

10. By using renewable energy sources, we can reduce our dependence on ____ fuels. a) fossil b) nuclear c) solar d) wind

Тест окончен.

(Note: This test is provided without answers for practice purposes)