Tính tích các đơn thức sau rồi tìm bậc:
a) \(\dfrac{1}{2}x^2\).(-2x2y2z).\(\dfrac{-1}{3}x^2y^3\)
b) (-x2y)3.\(\dfrac{1}{2}x^2y^3\).(-2xy2z)2
c) (-2.x2.y).(5.x.y4)
d) (\(\dfrac{27}{10}.x^4.y^2\)).(\(\dfrac{5}{9}.x.y\))
e) (\(\dfrac{1}{3}x^3y\)).(-xy)2
f) -2x2y.\(\left(\dfrac{-1}{2}\right)^2.x\left(y^2z\right)^3\)
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Đọc tiếp
Tính tích các đơn thức sau rồi tìm bậc:
a) \(\dfrac{1}{2}x^2\).(-2x2y2z).\(\dfrac{-1}{3}x^2y^3\)
b) (-x2y)3.\(\dfrac{1}{2}x^2y^3\).(-2xy2z)2
c) (-2.x2.y).(5.x.y4)
d) (\(\dfrac{27}{10}.x^4.y^2\)).(\(\dfrac{5}{9}.x.y\))
e) (\(\dfrac{1}{3}x^3y\)).(-xy)2
f) -2x2y.\(\left(\dfrac{-1}{2}\right)^2.x\left(y^2z\right)^3\)
