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Skaitļu virknes. Aritmētiskā progresija.

Authored by Daiga Vējone

Mathematics

8th Grade

Used 34+ times

Skaitļu virknes. Aritmētiskā progresija.
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kurai no virknēm atbilst dotais apraksts?

Virknes pirmie divi locekļi ir vienādi, bet katru nākamo iegūst , reizinot iepriekšējos divus virknes locekļus

4; 4; 16; 64; 1024

3; 3; 6; 18; 54

5; 5; 25; 50; 75

7; 7; 9; 10; 23

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Virknes pirmais loceklis ir 5, katru nākamo iegūst iepriekšējo reizinot ar 2 un no reizinājuma atņemot 16. Virknes pirmie 3 locekļi ir

5; 10; -16

5; -6; -28

5; 10; -6

5; -6; 4

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Dota skaitļu virkne 2; 3; 5; 8; 13;.... Virknes nākamais loceklis ir

20

21

15

19

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kura virkne ir dilstoša?

-7; -5; -3; ...

4; -9; 14; - 19;....

15; 15; 15; ....

24; 21; 18; ....

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Skaitļu virkne -7; -4 ; -1 ; 2 ; 5 ; .... ir

dilstoša

konstanta

augoša

ne augoša , ne dilstoša

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kura no dotajām skaitļu virknēm ir aritmētiskā progresija?

3; 5; 4; ........

3; 8; 13; ....

6; - 6; -3; .....

3; 5; 5; ....

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aritmētiskās progresija 120; 126; 132; 138; diference ir

120

-6

6

16

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