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การบวก ลบ คูณ หารพหุนาม

Authored by พัชราวรรณ สูงสุด

Mathematics

1st - 12th Grade

Used 261+ times

การบวก ลบ คูณ หารพหุนาม
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

ข้อใดเป็นผลคูณของ (X-2)(x+5)

X^2-3x-10

X^2+3x-10

X^2-3x+10

X^2+3x+10

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

7x^3-3-5x+3x^2+4x^3-8x+8 มีค่าตรงกับข้อใด

10x^3+3x^2-13x+5

10x^3-3x^2+13x-5

11x^3-3x^2+13x-5

11x^3+3x^2-13x+5

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

x^2+2x-3 เป็นผลบวกของข้อใด

(2x^2-5x+2)+(-x^2+7x-5)

(3x^2+8x+8)+(-2x^2-7x-11)

(7x^2-10x-2)+(-6x^2+8x-1)

(12x^2-6x+1)+(-11x^2+8x-5)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

ข้อใดถูกต้อง

5xy^2 (13x^8 y^3 z^2 )=65x^2 y^5 z^2

16xy^3 (4x^8 y^3 z^2 )=64x^2 y^5 z^3

12ab^3 (7a^8 b^3 c^2 )=84x^9 y^6 z^2

15xy^2 (4x^8 y^2 z^2 )=60x^9 y^4 z^2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

ข้อใดผิด

2k(8m^2-9)=16km^2-18k

-8p^2 (2q^2+2p)=-24p^2 q^2-16p^3

7w(-4w^2-w)=-28w^3-7w^2

-5x(3x+12)=-15x^2+60x

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(-x^2+x)-(5x^2-6x+8) มีค่าตรงกับข้อใด

4x^2+7x-8

4x^2-5x+8

-6x^2+7x-8

-6x^2-5x+8

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(18xy^2-24x^2 y)÷(-6xy) มีค่าตรงกับข้อใด

4y-3x

3x-4y

4x+3y

3y+4x

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