พหุนาม

พหุนาม

2nd Grade

10 Qs

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พหุนาม

พหุนาม

Assessment

Quiz

Mathematics

2nd Grade

Hard

Created by

Thongin Jaidee

Used 62+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

1. ข้อใดเป็นเอกนามทุกจำนวน

1. 13a4\frac{1}{3}a^{-4} , 2a2bc , 3a2bc , 2a3b42a^2bc\ ,\ 3a^2b-c\ ,\ 2a^3b^4

2. - 6 , 4m4m2 , 7m3nmn , 33m5nmn\frac{4m^4}{m^2}\ ,\ \frac{7m^3n}{mn}\ ,\ \frac{3^{-3}m^5n}{mn}

3. 2n2p3q5 , 3p4 , 4pq2 , 0.53\frac{2n^2}{p^3q^{-5}}\ ,\ 3p^{-4\ },\ 4pq^{2\ },\ 0.5^{-3}

4. 12 , 12 , (1x)4 , 63y , 5x2y3z412\ ,\ \left(\frac{1}{x}\right)^4\ ,\ \frac{6^{-3}}{y}\ ,\ 5x_{ }^2y^3z^4

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 2.  2a2b4c32.\ ข้อใดมีดีกรีของเอกนามเท่ากับ\ 2a^2b^4c^3  

1.  2a5b2a2\frac{2a^5b^2}{a^2}  

2.  3m4n3n2\frac{3m^4n^3}{n^2}  

3.  1.6p6q5pq\frac{1.6p^6q^5}{pq}  

4.  2.8x2y4xy3\frac{2.8x^2y^4}{xy^3}  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 3. 3.\ เอกนามในข้อใดเป็นเอกนามที่คล้ายกัน  

1.  14a    4a\frac{1}{4}a\ \ กับ\ \ \frac{4}{a}  

2.   3m0n     5mn3m^0n\ \ \ กับ\ \ 5mn  

3.  6pq    pq2q26pq\ \ กับ\ \ \frac{pq^2}{q^2}  

4.   3 x3y2     5 x3y2\sqrt{3\ }x^3y^2\ \ \ กับ\ \ \sqrt{5\ }x^3y^2  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

4. ข้อใดถูกต้อง 3ab + (-7ab)

1. 3ab

2. -3ab

3. 4ab

4. -4ab

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 5.  5ab2  4ab2 5.\ \ 5ab^2\ -\ 4ab^2\ เท่ากับข้อใด  

1.  ab2ab^2  

2.   2ab22ab^2  

3.   3ab23ab^2  

4.   4ab24ab^2  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 6.   9a3bc +(2a3bc)+4a3bc  6.\ \ \ 9a^3bc\ +\left(-2a^3bc\right)+4a^3bc\ \ เท่ากับข้อใด  

1.  9a3bc9a^3bc  

2. 11a3bc11a^3bc  

3. 13a3bc13a^3bc  

4. 15a3bc15a^3bc  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 7. (6x+4)(5x) 7.\ \left(6x+4\right)-\left(5-x\right)\ เท่ากับข้อใด  

1.  3x13x-1  

2.  5x15x-1  

3.  7x17x-1  

4.  9x19x-1  

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