
Арифметическая прогрессия
Authored by Дилара Ахметченова
Mathematics
9th Grade
Used 4+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Дано: (аn) – арифметическая прогрессия, a1=8, d=-7. Найти: a10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Дано: (аn) – арифметическая прогрессия, a20=68, d=-3. Найти: a1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Дано: (аn) – арифметическая прогрессия, a1=1.5, a11=185. Найти: d
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Дано: (аn) – арифметическая прогрессия, a1=9, d=-4, a n=-300. Найти: n
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
У арифметической прогрессии первый член 16, второй 4. Найти разность d.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
У арифметической прогрессии первый член 4, второй 6 Найти третий член.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Найти восьмой член арифметической прогрессии, если ее первый член равен 7, а разность d равна -15.
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