គ្រុបគួរគណិតម៉ោង៖ ២-៣ រសៀល

គ្រុបគួរគណិតម៉ោង៖ ២-៣ រសៀល

12th Grade

8 Qs

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គ្រុបគួរគណិតម៉ោង៖ ២-៣ រសៀល

គ្រុបគួរគណិតម៉ោង៖ ២-៣ រសៀល

Assessment

Quiz

Mathematics, Geography

12th Grade

Practice Problem

Medium

Created by

Math KH

Used 5+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

   x+34=2  ដោះស្រាយសមីការ\ \ \frac{x+3}{4}=2\ \ ។  

x=3

x=5

x=4

x=-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

   limx0 sin3xtan5x  គណនាលីមីត\ \ \lim_{x\rightarrow0\ }\frac{\sin3x}{\tan5x}\ \ ។  

 35\frac{3}{5}  

 33  

 53\frac{5}{3}  

 43\frac{4}{3}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

     x(x21)2020dxគណនា\ \ \ \int_{ }^{ }\ x\left(x^2-1\right)^{2020}dx  

 (x21)20202021+C\frac{\left(x^2-1\right)^{2020}}{2021}+C  

 12×(x2+1)20202020+C\frac{1}{2}\times\frac{\left(x^2+1\right)^{2020}}{2020}+C  

 12×(x21)20212021+C\frac{1}{2}\times\frac{\left(x^2-1\right)^{2021}}{2021}+C  

 12021×(x21)20212021+C\frac{1}{2021}\times\frac{\left(x^2-1\right)^{2021}}{2021}+C  

4.

MULTIPLE SELECT QUESTION

5 sec • 1 pt

 a2b2=?a^2-b^2=?  

 (ba)(b+a)\left(b-a\right)\left(b+a\right)  

 (ab)(b+a)\left(a-b\right)\left(b+a\right)  

 (b+a)(b+a)\left(b+a\right)\left(b+a\right)  

 (ba)(a2+ab+b2)\left(b-a\right)\left(a^2+ab+b^2\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

   u(2,1,1)   u(1,0,3)    uv  គេមាន\ \ \overrightarrow{u}\left(2,1,1\right)\ និង\ \ \overrightarrow{u}\left(-1,0,3\right)\ ។\ គណនា\ \ \overrightarrow{u}\cdot\overrightarrow{v}\ \ ។  

  uv=0\ \overrightarrow{u}\cdot\overrightarrow{v}=0  

  uv=3\ \overrightarrow{u}\cdot\overrightarrow{v}=-3  

  uv=1\ \overrightarrow{u}\cdot\overrightarrow{v}=1  

  uv=2\ \overrightarrow{u}\cdot\overrightarrow{v}=-2  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (a+bc)2=...?\left(a+b-c\right)^2=...?  

 a2+b2+c2+2ab+2ac2bca^2+b^2+c^2+2ab+2ac-2bc  

 a2+b2+c2+2ab+2ac+2bca^2+b^2+c^2+2ab+2ac+2bc  

 a2+b2+c2+2ab2ac+2bca^2+b^2+c^2+2ab-2ac+2bc  

 a2+b2c2+2ab+2ac2bca^2+b^2-c^2+2ab+2ac-2bc  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

មាឌនៃតេត្រាអ៊ែត V=....?

v=13×v=\frac{1}{3}បាត\timesកំពស់

v=13×v=\frac{1}{3}ក្រឡាផ្ទៃបាត\timesកំពស់

v=12×v=\frac{1}{2}បាត\timesកំពស់

v=×v=បណ្ដោយ\timesទទឹង

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ក្រឡាផ្ទៃត្រីកោណ S=...?

S=×S=បាត\timesកំពស់

S=13×S=\frac{1}{3}បាត\timesកំពស់

S=12×S=\frac{1}{2}បាត\timesកំពស់

S=×S=ទទឹង\timesបណ្ដោយ