
การบวก ลบ คูณ หารพหุนาม
Authored by พัชราวรรณ สูงสุด
Mathematics
1st - 12th Grade
Used 261+ times

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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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