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toán 6 - tính chất cơ bản của phân số

Authored by Minh Nguyệt

Mathematics

6th Grade

Used 81+ times

toán 6 - tính chất cơ bản của phân số
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

tìm x biết x7=621\frac{x}{7}=\frac{6}{21}  

21

6

3

2

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

tìm y biết:  5y=2028\frac{-5}{y}=\frac{20}{28}  

- 4

-7

7

4

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

 12=x12\frac{1}{2}=\frac{x}{12}  tìm x ?

2

- 6

24

6

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt


 34=15x\frac{3}{4}=\frac{15}{x}  tìm x ?

-5

12

5

20

5.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

 x8=2832\frac{x}{8}=\frac{-28}{32}  tìm x ?

4

7

-7

3

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

 3x=1224\frac{3}{x}=\frac{12}{-24}  tìm x ?

- 6

6

16

4

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

hai phân số sau có bằng nhau không?  ab\frac{a}{-b}  và  ab\frac{-a}{b}  

không

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