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เศษส่วนของพหุนาม(บวก/ลบ)

Authored by Sunti Wongphun

Mathematics

8th - 9th Grade

Used 47+ times

เศษส่วนของพหุนาม(บวก/ลบ)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  x+2yx+y+x2yx+yจงหาค่าของ\ \frac{x+2y}{x+y}+\frac{x-2y}{x+y}  

 xx+y\frac{x}{x+y}  

 2xx+y\frac{2x}{x+y}  

 x+2yx+y\frac{x+2y}{x+y}  

 2x2yx+y\frac{2x-2y}{x+y}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  2xyxyx+2yxyจงหาค่าของ\ \frac{2x-y}{x-y}-\frac{x+2y}{x-y}  

 3x+yxy\frac{3x+y}{x-y}  

 x+3yxy\frac{x+3y}{x-y}  

 3xyxy\frac{3x-y}{x-y}  

 x3yxy\frac{x-3y}{x-y}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  xx2y2+1x+yจงหาค่าของ\ \frac{x}{x^2-y^2}+\frac{1}{x+y}  

 x+yx2y2\frac{x+y}{x^2-y^2}  

 xyx2y2\frac{x-y}{x^2-y^2}  

 2xyx2y2\frac{2x-y}{x^2-y^2}  

 2x+yx2y2\frac{2x+y}{x^2-y^2}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  x+yxy1จงหาค่าของ\ \frac{x+y}{x-y}-1  

 2yxy\frac{2y}{x-y}  

 2xxy\frac{2x}{x-y}  

 x+yxy\frac{x+y}{x-y}  

 2x+yxy\frac{2x+y}{x-y}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  xx+1+ xx1จงหาค่าของ\ \frac{x}{x+1}+\ \frac{x}{x-1}  

 2xx21\frac{2x^{ }}{x^2-1}  

 2x2x21\frac{2x^2}{x^2-1}  

 2x22xx21\frac{2x^2-2x}{x^2-1}  

 2x2+2xx21\frac{2x^2+2x}{x^2-1}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  x24x1(x+1)จงหาค่าของ\ \frac{x^2-4}{x-1}-\left(x+1\right)  

 x2x3x1\frac{x^2-x-3}{x-1}  

 x25x1\frac{x^2-5}{x-1}  

 5x1\frac{-5}{x-1}  

 3x1\frac{-3}{x-1}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  1+1x1x+1x1จงหาค่าของ\ 1+\frac{1}{x-1}-\frac{x+1}{x-1}  

 1x1\frac{1}{x-1}  

 1x1\frac{-1}{x-1}  

 2x1x1\frac{2x-1}{x-1}  

 2x+1x1\frac{2x+1}{x-1}  

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