10 câu Trắc nghiệm Toán 8 Bài 10: Chia đơn thức cho đơn thức có đáp án (Nhận biết)

(-xy)²

(xy)²

(2xy)²

$(\frac{1}{4}xy{)}^2$

-9x³

9x³

27x³

-27x³

-3x²y + x – 2y²

3x⁴y + x³ – 2x²y²

-12x²y + 4x – 2y²

3x²y – x + 2y²

x² – x + 10

2x² – x + 10

2x² – x – 10

2x² + x + 10

3y² + 2xy – x²

3y² + 2xy + x²

3y² – 2xy – x²

3y² + 2xy

$\frac{3}{2}{x}^3+2x$

$\frac{3}{2}{x}^3+2x-4$

x³ + 2x – 4

$\frac{3}{2}{x}^{3}y+2xy-4$

4xz⁴ + 2xyz² – 3z

4xz⁴ + 2xyz² + 3z

4xz⁴ – 2xyz² + 3z

4xz⁴ + 4xyz² + 3z

24x⁴y³ : 12x³y³ = 2xy

18x⁶y⁵ : (-9x³y³) = 2x³y²

40x⁵y² : (-2x⁴y²) = -20x

9a³b⁴x⁴ : 3a²b²x² = 3ab³x²

20x⁵y³ : 4x²y² = 5x³y²

12x³y⁴ : $\frac{2}{5}$xy⁴ = 30z

2(x + y)³ : 5(x + y) = $\frac{2}{5}$(x + y)

x²yz³ : (-x²z³) = -y

(3x – y)⁷ : (y – 3x)² = -(3x – y)⁵

(x – y)⁵ : (x – y)² = (x – y)³

(2x – 3y)⁹ : (2x – 3y)⁶ = (2x – 3y)³

(x – 2y)⁵⁰ : (x – 2y)²¹ = (x – 2y)²⁹

(-15x²y⁶) : (-5xy²) = 3xy⁴

(8x⁵ – 4x³) : (-2x)³ = -4x² + 2

(3x²y² – 4xy² +2xy⁴) : $(-\frac{1}{2}x{y}^2)$ = -6x + 8y + 4y²

(3x – y)¹⁹ : (3x – y)¹⁰ = (3x – y)⁹