a: \(5x^2y^4:10x^2y=\dfrac{1}{2}y^3\)
c: \(\left(-xy\right)^{10}:\left(-xy\right)^5=-x^5y^5\)
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Bài 11: Chia đa thức cho đơn thức
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Làm tính chia :
a) \(\left(5x^4-3x^3+x^2\right):3x^2\)
b) \(\left(5xy^2+9xy-x^2y^2\right):\left(-xy\right)\)
c) \(\left(x^3y^3-\dfrac{1}{2}x^2y^3-x^3y^2\right):\dfrac{1}{3}x^2y^2\)
Tìm n để mỗi phép chia sau là phép chia hết (n là số tự nhiên) :
a) \(\left(5x^3-7x^2+x\right):3x^n\)
b) \(\left(5xy^2+9xy-x^2y^2\right):\left(-xy\right)\)
c) \(\left(x^3y^3-\dfrac{1}{2}x^2y-x^3y^2\right):\dfrac{1}{3}x^2y^2\)
a)\(\left(\dfrac{5}{7}x^2y\right)^3:\left(\dfrac{1}{7}xy\right)^3\)
b) \(\left[5\left(a-b\right)^3+2\left(a-b\right)^2\right]:\left(b-a\right)^2\)
c) \(5\left(x-2y\right)^3:\left(5x-10y\right)\)
d) \(\left(x^3+8y^3\right):\left(x+2y\right)\)
Làm tính chia :
a) \(\left(-2x^5+3x^2-4x^3\right):2x^2\)
b) \(\left(x^3-2x^2y+3xy^2\right):\left(-\dfrac{1}{2}x\right)\)
c) \(\left(3x^2y^2+6x^2y^3-12xy\right):3xy\)
Làm tính chia :
a) \(\left[5\left(a-b\right)^3+2\left(a-b\right)^2\right]:\left(b-a\right)^2\)
b) \(5\left(x-2y\right)^3:\left(5x-10y\right)\)
c) \(\left(x^3+8y^3\right):\left(x+2y\right)\)
Làm phép chia
a. \(\left(20x^4y-25x^2y^2-3x^2y\right):5x^2y\)
b. \(\left(15xy^2+17xy^3+18y^2\right):6y^2\)
c. \(\left[3\left(x-y\right)^4+2\left(x-y\right)^3-5\left(x-y\right)^2\right]:\left(y-x\right)^2\)
d. \(\left(x^2-2xy+y^2\right):\left(y-x\right)\)
Tính:
1). \(0,5a^mb^nc^2:\left(\dfrac{-2}{3}a^2bc\right)\)
2). \(\dfrac{2}{7}\left(x-2y\right)^{2m+1}:\left[\dfrac{-5}{14}\left(2y-x\right)^{2m-1}\right]\)
Làm tính chia:
a) \(5^3:\left(-5\right)^2\)
b) \(\left(\dfrac{3}{4}\right)^5:\left(\dfrac{3}{4}\right)^3\)
c) \(\left(-12\right)^3-8^3\)
d) \(x^{10}:\left(-x\right)^8\)
e) \(\left(-x\right)^5:\left(-x\right)^3\)
f) \(\left(-y\right)^5:\left(-y\right)^4.\)
1. Thực hiện:
a)\(\left(3x^2y^3-5x^2y^2+6x^4y^7-9x^5y^4\right):x^2y^2\)
b) \(\left(6a^3-3a^2\right):a^2+\left(12a^2+9a\right):3a\)