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เศษส่วนพหุนาม

Authored by เพ็ญศิริ ไสยสาลี

Mathematics

10th Grade

Used 97+ times

เศษส่วนพหุนาม
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  x225x+5จากพหุนาม\ \frac{x^2-25}{x+5}  มีรูปสำเร็จตรงกับข้อใด

x+5

x-5

(x+5)(x-5)

(x-5)(x-5)

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

  217xx2x6จากพหุนาม\ \frac{21-7x}{x^2-x-6}  มีรูปสำเร็จตรงกับข้อใด

 7x+2-\frac{7}{x+2}  

 7x+2\frac{7}{x+2}  

 7x+3-\frac{7}{x+3}  

 7x+3\frac{7}{x+3}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  t2252t29t5จากพหุนาม\ \frac{t^2-25}{2t^2-9t-5}  มีรูปสำเร็จตรงกับข้อใด

 t2t+2-\frac{t}{2t+2}  

 72t+2\frac{7}{2t+2}  

 t+52t+1\frac{t+5}{2t+1}  

 tt+3\frac{t}{t+3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  3xx1+2x1ค่าของ\ \frac{3x}{x-1}+\frac{2}{x-1}  ตรงกับข้อใด

 3x1x1\frac{3x-1}{x-1}  

 5xx1\frac{5x}{x-1}  

 4xx1\frac{4x}{x-1}  

 3x+2x1\frac{3x+2}{x-1}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  aa1+1a(a1)ค่าของ\ \frac{a}{a-1}+\frac{1}{a\left(a-1\right)}  ตรงกับข้อใด

 a2+1a(a1)\frac{a^2+1}{a\left(a-1\right)}  

 a21a(a1)\frac{a^2-1}{a\left(a-1\right)}  

 a2+1a(a+1)\frac{a^2+1}{a\left(a+1\right)}  

 a2+1(a1)\frac{a^2+1}{\left(a-1\right)}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  2aa+1a1a+1ค่าของ\ \frac{2a}{a+1}-\frac{a-1}{a+1}  ตรงกับข้อใด

 a+1a^{ }+1  

 a21a^2-1  

 11  

 a2+1a^2+1  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  52b3a4ค่าของ\ \frac{5}{2b}-\frac{3a}{4}  ตรงกับข้อใด

 53ab4b\frac{5-3ab}{4b}  

 103ab4b\frac{10-3ab}{4b}  

 5+3ab4b\frac{5+3ab}{4b}  

 10+3ab4b\frac{10+3ab}{4b}  

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