
9 класс формула геометрической прогрессии
Authored by Вадим Румянцев
Mathematics
10th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите сумму пяти первых членов геометрической прогрессии b_n, если b_2 = 2, b_3 = 4.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите сумму первых шести членов геометрической прогрессии b_n, если b_2 = -5, b_3 = 10.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите сумму пяти первых членов геометрической прогрессии b_n, если b_1 = 3, b_3 = 27.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите сумму первых восьми членов геометрической прогрессии b_n, если b_2 = 2, b_4 = 16.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите сумму первых четырех членов геометрической прогрессии b_n, если b_1 = 10, b_3 = 100.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите сумму пяти первых членов геометрической прогрессии b_n, если b_2 = -3, b_4 = 27.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найдите сумму первых семи членов геометрической прогрессии b_n, если b_2 = 10, b_4 = 100.
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