Chủ đề:
Bài 3: Đơn thứcCâu hỏi:
BT:thu gon don thuc , tim he so va bac cua don thuc
a)-(\(\frac{-1}{2}\)\(xy^2z\))\(^2\) (\(4x^2yz\)\(^3\))
b)\(\left(\frac{-1}{3}x^2yz^3\right)^2.\left(-\frac{6}{7}xyz^2\right)\)
c)\(-3x^2.y^4.\left(\frac{-1}{3}y^4z^5x\right).\left(\frac{-1}{2}zyx^3\right)\)
d)\(\left(-\frac{2}{5}x^2y\right)^3.\left(-\frac{1}{3}xy^2\right)\)
e)\(\frac{3}{4}xy^3\left(-\frac{2}{3}x^2y^4\right)^2\)
g)\(\left(-\frac{3}{5}x^2y^3\right)^2\left(-\frac{1}{3}x^3y^2\right)^3\)
mn co gang giup mik vs mik dang can gap