化简 1/12 (3a-6b)

解答

化简

\frac{1}{12} (3 a - 6 b)

\frac{a - 2 b}{4}

求解步骤

\frac{1}{12} (3 a - 6 b)

使用分配律:

a (b - c) = ab - a c

\frac{1}{12} (3 a - 6 b) = \frac{1}{12} \cdot 3 a - \frac{1}{12} \cdot 6 b

= \frac{1}{12} \cdot 3 a - \frac{1}{12} \cdot 6 b

化简

\frac{1}{12} \cdot 3 a - \frac{1}{12} \cdot 6 b : \frac{a - 2 b}{4}

= \frac{a - 2 b}{4}

f a c t or 3 x^{3} - 24 x^{2} y + 48 x y^{2}

6 y - 9 + 2 y - 5 = - 8 y + 17 + 4 y

lo g_{2}^{2} (x) - 3 lo g_{2} (x) + 2 \geq 0

f a c t or 500 a^{3} + 4

x^{2} - 9 x + 20 > 0