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តេស្តគណិតវិទ្យា ខែឧសភាថ្នាក់ទី៨

Authored by ឈុតនា សុទ្ធ

Mathematics

8th Grade

Used 28+ times

តេស្តគណិតវិទ្យា ខែឧសភាថ្នាក់ទី៨
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20 questions

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1.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

(០៣ពិន្ទុ)​ ចូរគណនា​​  xy+3x2y6x26x+8÷y2+5y+6xy4y+2x8\frac{xy+3x-2y-6}{x^2-6x+8}\div\frac{y^2+5y+6}{xy-4y+2x-8}  

(a)  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(០៣ពិន្ទុ) ចូររកឫសនៃសមីការ​​  3(x2)2x2=2(x33x2)\sqrt{3}\left(x-2\right)-2x\sqrt{2}=2\left(x\sqrt{3}-\sqrt{3}-x\sqrt{2}\right)  

 x=22x=2\sqrt{2}  

 x=2(31)x=2\left(\sqrt{3}-1\right)  

 x=3+2x=\sqrt{3}+2  

 x=23x=2\sqrt{3}  

3.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

(០៣ពិន្ទុ) ពីរចំនួនដែលមានផលគុណស្មើនឹង 28 ហើយផលបូកចម្រាសចំនួនទាំងពីរស្មើ  1128\frac{11}{28}  ។ ចូររកចំនួនទាំងពីរនោះ

(a)  

4.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

(០៣ពិន្ទុ) ចូរ​​ដោះស្រាយសមីការ  12(12x+30)=3(2x5)\frac{1}{2}\left(-12x+30\right)=-3\left(2x-5\right)  

(a)  

5.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

(០៣ពិន្ទុ) ចូរសម្រួលកន្សោម​​  4x2+8x+45x2+10x+5\frac{4x^2+8x+4}{5x^2+10x+5}  

(a)  

6.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

(០៣ពិន្ទុ) ចូរ​​ដោះស្រាយសមីការ  (2x+3)2(2x+5)=4x(x+4)+4(2x+3)^2−(2x+5)=4x(x+4)+4  

(a)  

7.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

(០៣ពិន្ទុ) ចូរគណនា​​  4a2a+6+3a+3\frac{4a}{2a+6}+\frac{3}{a+3}  

(a)  

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