读趣百科

$10 a^{4} b^{3} c^{2} \div 5 a^{3} b c=a b^{2} c$

$\left(a^{2} b c\right)^{2} \div a b c=a$

$\left(9 x^{2} y-6 x y^{2}\right) \div 3 x y=3 x-2 y$

$\left(6 a^{2} b-5 a^{2} c\right) \div\left(-3 a^{2}\right)=-2 b-\frac{5}{3} c$

$a^{2}$

$a$

$-a^{2}$

$a^{6}$

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2020

-2020