Прогрессии
8th Grade
•18 Qs
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Прогрессии
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Shakhzod Shakhzod
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Среднее арифметическое первых пяти членов арифметической прогрессии равно 4. Чему равен третий член прогрессии?
5
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
3.
MULTIPLE CHOICE QUESTION
10 mins • 3 pts
Найдите сумму всех кратных 7 натуральных чисел, которые не больше 1000.
71071
497497
777
4.
MULTIPLE CHOICE QUESTION
10 mins • 3 pts
27 + 29 + 31 + 33 + 35 +... + 111 = ?
2700
2679
2796
5.
MULTIPLE CHOICE QUESTION
10 mins • 3 pts
107 + 127 + 147 + 167 + ... + 807 = ?
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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