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คณิตศาสตร์ ม. 1 ทศนิยม ครูอู้ 6

Authored by เสาวลักษณ์ น้อยสุพรรณ์

Mathematics

7th Grade

Used 129+ times

คณิตศาสตร์ ม. 1 ทศนิยม ครูอู้ 6
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24 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ทศนิยมในข้อใดเรียงลำดับจากมากไปน้อยได้อย่างถูกต้อง

0.56, 0.52, -1.71, -1.75, -2.59

2.32, -3.21, -3.22, -3.20

-30.170, -30.710, -30.701, -30.107

-36.25, 36.50, 36.15, 36.40

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

0.0103 เขียนให้อยู่ในรูปกระจายได้อย่างไร

(1 × 1101)+(3 × 1105)\left(1\ \times\ \frac{1}{10^1}\right)+\left(3\ \times\ \frac{1}{10^5}\right)

(1 × 1102) + (3 × 1103)\left(1\ \times\ \frac{1}{10^2}\right)\ +\ \left(3\ \times\ \frac{1}{10^3}\right)

(1 × 1102) + (3 × 1104)\left(1\ \times\ \frac{1}{10^2}\right)\ +\ \left(3\ \times\ \frac{1}{10^4}\right)

(1 × 1101) + (3 × 1104)\left(1\ \times\ \frac{1}{10^1}\right)\ +\ \left(3\ \times\ \frac{1}{10^4}\right)

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

0.124 เขียนให้อยู่ในรูปกระจายได้อย่างไร

(1 × 110) + (2 ×1102) + (4 × 1103)\left(1\ \times\ \frac{1}{10}\right)\ +\ \left(2\ \times\frac{1}{10^2}\right)\ +\ \left(4\ \times\ \frac{1}{10^3}\right)

(1 ×110)+(2 × 1103) +(4 × 1104)\left(1\ \times\frac{1}{10}\right)+\left(2\ \times\ \frac{1}{10^3}\right)\ +\left(4\ \times\ \frac{1}{10^4}\right)

(1 ×110) +(2 × 1102) +(4 × 1104)\left(1\ \times\frac{1}{10}\right)\ +\left(2\ \times\ \frac{1}{10^2}\right)\ +\left(4\ \times\ \frac{1}{10^4}\right)

(1 × 110) + (2 × 1103) + (4 × 1103)\left(1\ \times\ \frac{1}{10}\right)\ +\ \left(2\ \times\ \frac{1}{10^3}\right)\ +\ \left(4\ \times\ \frac{1}{10^3}\right)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

0.5746 เขียนในรูปกระจายได้อย่างไร

(5 × 110) + (7 × 1102) +(4 × 1103) +(6 × 1104)\left(5\ \times\ \frac{1}{10}\right)\ +\ \left(7\ \times\ \frac{1}{10^2}\right)\ +\left(4\ \times\ \frac{1}{10^3}\right)\ +\left(6\ \times\ \frac{1}{10^4}\right)

(5 ×1102) + (7 × 1102) + (4 × 1103) + (6 × 1104)\left(5\ \times\frac{1}{10^2}\right)\ +\ \left(7\ \times\ \frac{1}{10^2}\right)\ +\ \left(4\ \times\ \frac{1}{10^3}\right)\ +\ \left(6\ \times\ \frac{1}{10^4}\right)

(5 × 1103) + (7 × 1104) + (4 × 1103) + (6 × 1104)\left(5\ \times\ \frac{1}{10^3}\right)\ +\ \left(7\ \times\ \frac{1}{10^4}\right)\ +\ \left(4\ \times\ \frac{1}{10^3}\right)\ +\ \left(6\ \times\ \frac{1}{10^4}\right)

(5 × 1102) + (7 × 1103) + (4 × 1104) + (6 ×1105 )\left(5\ \times\ \frac{1}{10^2}\right)\ +\ \left(7\ \times\ \frac{1}{10^3}\right)\ +\ \left(4\ \times\ \frac{1}{10^4}\right)\ +\ \left(6\ \times\frac{1}{10^5}\ \right)

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

จำนวน 10.9 + 21.05 มีค่าเท่ากับข้อใด

30.95

31.95

32.95

33.95

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

จำนวน - 0.37 + (- 1.4) มีค่าเท่ากับข้อใด

– 1.67

1.67

– 1.77

1.77

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

จำนวน 2.5 + (- 0.735) มีค่าเท่ากับข้อใด

– 1.565

1.565

– 1.765

1.765

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