
Сумма бесконечно убывающей геометрической прогрессии

Quiz
•
Mathematics
•
9th Grade
•
Medium
Ирина Владимировна
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Найдите первый член бесконечно убывающей геометрической прогрессии, если S=4, q=
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Вычислите сумму чисел 15+6+ + +...
.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Геометрическая прогрессия называется бесконечно убывающей, если модуль её знаменателя ... единицы
больше
меньше
равен
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Представьте десятичную периодическую дробь 0,(18) в виде обыкновенной дроби. (В ответ запишите сумму ее числителя и знаменателя)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Найдите второй член бесконечно убывающей геометрической прогрессии, если сумма ее членов равна , а знаменатель равен .
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Вычислите 32- + - + ...
60
40
20
50
30
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Найдите сумму бесконечно убывающей геометрической прогрессии, если
25
20
16
40
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