w/6+w/8 = 7/6

解答

\frac{w}{6} + \frac{w}{8} = \frac{7}{6}

w = 4

求解步骤

\frac{w}{6} + \frac{w}{8} = \frac{7}{6}

乘以最小公倍数

7 w = 28

两边除以

7

w = 4

f a c t or 36 a^{2} - 49 b^{2}

- 3 x + 1 > 13

f a c t or 15 k^{10} + 15 k^{9} + 15 k^{7} - 30 k^{5}

3 x^{2} + 45 = 24 x

s im pl i f y (- 27 x^{- 9})^{\frac{1}{3}}