Suma 2+5+8+...+50 este:

Test

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Rosse Carnero
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
567
442
345
223
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stiind ca 1a este 3 si ratia este 6, afla primii cinci termeni
2, 6, 15, 20, 31
5, 8, 19, 30, 34
3, 9, 15, 21, 27
5, 10, 17, 19, 20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stiind ca a2=12 si ratia 2, afla a6
10
5
16
20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-o progresie aritmetică, primul termen este 7, iar suma primilor 5 termeni este 65. Găsește diferența comună.
9
5
3
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-o progresie aritmetică, primul termen este 3, iar ratia este 4. Găsește primii 3 termeni ai progresiei.
3, 7, 11
5, 9, 13
9, 3, 17
3, 5, 9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-o progresie geometrică, primul termen este 2, iar rația este 3. Găsește primii 4 termeni ai progresiei.
10, 26, 35, 53
19, 23, 34, 47
6, 19, 45, 52
2, 6, 18, 54
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-o progresie geometrică, primul termen este 1, iar rația este 2. Găsește al 5-lea termen al progresiei.
10
5
16
8
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