Làm tính chia: A)\(5\left(x-2y\right)^3:\left(5x-10y\right)\)
B)\(\left(x^3+8y^3\right):\left(x+2y\right)\)
Những câu hỏi liên quan
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) \(\left(x^3+8y^3\right):\left(x+2y\right)\)
a)\([\)5(a-b)\(^3\)+2(a-b)\(^2]\):(b-a)\(^2\)
=\([\)5(a-b)\(^3\)+2(a-b)\(^2]\):(a-b)\(^2\)
=5(a-b)+2
b)5(x-2y)\(^3\):(5x-10y)
=5(x-2y)\(^3\):5(x-2y)
=(x-2y)\(^2\)
c)(x\(^3\)+8y\(^3\)):(x+2y)
=\([\)x\(^3\)+(2y)\(^3]\):(x+2y)
=(x+2y)(x\(^2\)-2xy+4y\(^2\)):(x+2y)
=x\(^2\)-2xy+4y\(^2\)
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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) \(\left(x^3+8y^3\right):\left(x+2y\right)\)
a)\((\dfrac{5}{7}x^2y)^3:(\dfrac{1}{7}xy)^3\)
=\((\dfrac{5}{7}x^2y:\dfrac{1}{7}:x:y)^3\)
=(\(\dfrac{5}{7}.7.x^2:x.y:y)^3\)
=(5x)\(^3\)
=5\(^3\).x\(^3\)
=125.x\(^3\)
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Làm tính chia:
a) \(5x^2y^4:10x^2y\)
b)\(\dfrac{3}{4}x^3y^3:\left(-\dfrac{1}{2}x^2y^2\right)\)
c)\(\left(-xy\right)^{10}:\left(-xy\right)^5\)
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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Tính
a) (3x+y-z)-(-x-2y+6z)
b)$\left(x^3+6x^2+5y^3\right)-\left(-x^3-5x+7y^3\right)$(x3+6x2+5y3)−(−x3−5x+7y3)
c)$\left(5.7x^2y-3,2xy+8y^3\right)-\left(6,9xy-2,3x^2y-8y^3\right)$(5.7x2y−3,2xy+8y3)−(6,9xy−2,3x2y−8y3)
d)$\left(3x^2y-x^3-2xy^2+5\right)+\left(2x^3-3xy^2-x^2y+xy+6\right)$
Thực hiện phép tính:a) dfrac{2}{5}xyleft(x^2y-5x+10yright)b) left(x^2-1right)left(x^2+2x+yright)c) left(x+3yright)^2d) left(4x-yright)^3e) left(x^2-2yright)left(x^2+2yright)g) 18x^4y^2z:10x^4yh) left(x^3y^3+dfrac{1}{2}x^2y^3-x^3y^2right):dfrac{1}{3}x^2y^2i) left(6x^3-7x^2-x+2right):left(2x+1right)k) dfrac{5x-1}{3x^2y}+dfrac{x+1}{3x^2y}l) dfrac{3x+1}{x^2-3x+1}+dfrac{x^2-6x}{x^2-3x+1}m) dfrac{2x+3}{10x-4}+dfrac{5-3x}{4-10x}n) dfrac{x}{x^2+2x+1}+dfrac{3}{5x^2-5}o) dfrac{x^2+2}{x^3-1}+dfrac{2}{x^2+x...
Đọc tiếp
Thực hiện phép tính:
a) \(\dfrac{2}{5}xy\left(x^2y-5x+10y\right)\)
b) \(\left(x^2-1\right)\left(x^2+2x+y\right)\)
c) \(\left(x+3y\right)^2\)
d) \(\left(4x-y\right)^3\)
e) \(\left(x^2-2y\right)\left(x^2+2y\right)\)
g) \(18x^4y^2z:10x^4y\)
h) \(\left(x^3y^3+\dfrac{1}{2}x^2y^3-x^3y^2\right):\dfrac{1}{3}x^2y^2\)
i) \(\left(6x^3-7x^2-x+2\right):\left(2x+1\right)\)
k) \(\dfrac{5x-1}{3x^2y}+\dfrac{x+1}{3x^2y}\)
l) \(\dfrac{3x+1}{x^2-3x+1}+\dfrac{x^2-6x}{x^2-3x+1}\)
m) \(\dfrac{2x+3}{10x-4}+\dfrac{5-3x}{4-10x}\)
n) \(\dfrac{x}{x^2+2x+1}+\dfrac{3}{5x^2-5}\)
o) \(\dfrac{x^2+2}{x^3-1}+\dfrac{2}{x^2+x+1}+\dfrac{1}{1-x}\)
p) \(\dfrac{4x+2}{15x^3y}\dfrac{5y-3}{9x^2y}+\dfrac{x+1}{5xy^3}\)
q) \(\dfrac{2x-7}{10x-4}-\dfrac{3x+5}{4-10x}\)
r) \(\dfrac{3}{2x+6}-\dfrac{x-6}{2x^2+6x}\)
x) \(\dfrac{4y^2}{11x^4}.\left(-\dfrac{3x^2}{8y}\right)\)
y) \(\dfrac{x^2-4}{3x+12}.\dfrac{x+4}{2x-4}\)
z) \(\left(x^2-25\right):\dfrac{2x+10}{3x-7}\)
t) \(\left(\dfrac{2x+1}{2x-1}-\dfrac{2x-1}{2x+1}\right):\dfrac{4x}{10x-5}\)
w) \(\left(\dfrac{1}{x^2+x}-\dfrac{2-x}{x+1}\right):\left(\dfrac{1}{x}+x-2\right)\)
c: \(=x^2+6xy+9y^2\)
e: \(=x^4-4y^2\)
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Tính
a) (3x+y-z)-(-x-2y+6z)
b)\(\left(x^3+6x^2+5y^3\right)-\left(-x^3-5x+7y^3\right)\)
c)\(\left(5.7x^2y-3,2xy+8y^3\right)-\left(6,9xy-2,3x^2y-8y^3\right)\)
d)\(\left(3x^2y-x^3-2xy^2+5\right)+\left(2x^3-3xy^2-x^2y+xy+6\right)\)
Tính:
\(\left(4x^2+x^2y-5y^3\right)-\left(\frac{5}{3}x^3-6xy^2-x^2y\right)+\left(\frac{x}{3}^3+10y^3\right)+\left(6y^3-15xy^2-4x^2y-10x^3\right)\)
Cho x^3 -10y = 8y^3 -5x . Tính giá trị của A = \(\left(x-2y+29\right)^{2016^0}\)
1. Làm tính chia :
\(\left(x^3+8y^3\right):\left(x+2y\right)\)
2. Tìm số tự nhiên n để phép chia sau là phép chia hết :
a) \(\left(5x^3-3x^2+x\right):3x^n\)
b) \(\left(12x^3y^7+9x^4y^5-3x^5y^8\right):3x^{n+1}y^{n+3}\)