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Прогрессии

Authored by Shakhzod Shakhzod

Mathematics

8th Grade

Used 3+ times

Прогрессии
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18 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 4 pts

Среднее арифметическое первых пяти членов арифметической прогрессии равно 4. Чему равен третий член прогрессии?

5

4

3

3,5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Разность между одиннадцатым и пятым членами арифметической прогрессии равна 3. Чему равен седьмой член прогрессии, если третий равен 3.

11

3

5
6

3.

MULTIPLE CHOICE QUESTION

10 mins • 3 pts

Найдите сумму всех кратных 7 натуральных чисел, которые не больше 1000.

71071

70000

497497

777

4.

MULTIPLE CHOICE QUESTION

10 mins • 3 pts

27 + 29 + 31 + 33 + 35 +... + 111 = ?

2967

2700

2679

2796

5.

MULTIPLE CHOICE QUESTION

10 mins • 3 pts

107 + 127 + 147 + 167 + ... + 807 = ?

16452
16000

16577

16789

6.

MULTIPLE CHOICE QUESTION

10 mins • 4 pts

5555

5050

10000

50

7.

MULTIPLE CHOICE QUESTION

10 mins • 4 pts

0

1

9

3

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