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การบวกเอกนาม ชุดที่ 2

Authored by นายศรีศักดิ์ ครุธวงค์

Mathematics

7th - 9th Grade

Used 34+ times

การบวกเอกนาม ชุดที่ 2
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20 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

5x2 + (-3x2) = ?

5x2

-2x2

2x2

8x

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

(-3x2 ) + (-6x2) = ?

-9x2

-3x2

9x2

3x2

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

(-5y2) + (-7y2) = ?

2y2.

-2y2

12y2

-12y2

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

2m2 + (-4m2) = ?

2m2

-2m2

6m2

-6m2

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 7a2+(6a2) = ?7a^2+\left(-6a^2\right)\ =\ ?  

 a2a^2  

 3a23a^2  

 a2-a^2  

 13a213a^2  

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 (x2y)+(3x2y)=?\left(-x^2y\right)+\left(-3x^2y\right)=?  

 3x2y3x^2y  

 x2y-x^2y  

 3x2y-3x^2y  

 4x2y-4x^2y  

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 9ab2+(10ab2)=?9ab^2+\left(-10ab^2\right)=?  

 ab2ab^2  

 ab2-ab^2  

 19ab219ab^2  

 19ab2-19ab^2  

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