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คิดเลขเร็ว by ครูกล้วย

Authored by Teacher KLUAY

Mathematics

Professional Development

Used 6K+ times

คิดเลขเร็ว  by ครูกล้วย
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

30% ของ 500 มีเท่าไร

30

50

150

450

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ข้อใดไม่ใช่รูปคลี่ของพีระมิดฐานห้าเหลี่ยม

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

(15+2) x 3

51

45

63

32

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 125 \frac{12}{5}\ มีค่าเท่ากับข้อใด  

 103\frac{10}{3}  

4.2

 1251\frac{2}{5}  

2.4

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ค่าประมาณการจำนวนเต็มหมื่นของ 938,726

900,000

930,000

940,000

1,000,000

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

26

17

9

3

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

1 , 4 , 9 , 16 , 25 , . . .

36

49

64

81

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