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ทวนกลางภาค

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Mathematics

Professional Development

Used 6+ times

ทวนกลางภาค
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18 questions

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1.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 an = 3n2 +1  ; a 5 = ?a_n\ =\ 3n^2\ +1\ \ ;\ a_{\ 5\ }=\ ?  

(a)  

2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 an = n2 18n  ; a 1  = ?a_{n\ }=\ \frac{n^2\ -1}{8n}\ \ ;\ a_{\ 1}\ \ =\ ?  



(a)  

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 a n = 5n +4    ; a 10 = ?a\ _{n\ }=\ -5n\ +4\ \ \ \ ;\ a_{\ 10}\ =\ ?  

(a)  

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

7 , 10 , 13 , 15 เป็นลำดับเลขคณิตหรือไม่

(a)  

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

ลำดับเลขคณิต 13 , 16 , 19 , ...

มีพจน์ที่ 11 คือเท่าใด

(a)  

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 a 31 = ?a_{\ 31\ }=\ ? 

 ลำดับเลขคณิต 80 , 72 , 64 , ... ;



(a)  

7.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

ลำดับเลขคณิต 3 ,13 , 23 , ... , 213 ; n = ?

(a)  

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