(0.1x)/(0.2)-(0.27x+0.18)/(0.04)=1

解答

\frac{0.1 x}{0.2} - \frac{0.27 x + 0.18}{0.04} = 1

x = - 0.88

求解步骤

\frac{0.1 x}{0.2} - \frac{0.27 x + 0.18}{0.04} = 1

乘以最小公倍数

0.004 x - 0.2 (0.27 x + 0.18) = 0.008

乘开

- 0.2 (0.27 x + 0.18) : - 0.054 x - 0.036

0.004 x - 0.054 x - 0.036 = 0.008

f a c t or 125 a^{6} + 1

s im pl i f y (\frac{3}{4} a^{3} - \frac{2}{3} b^{4})^{2}

3 x^{2} + 1 = 54

4 y - 4 \geq 20

f a c t or - 6 a^{4} b^{4} - 6 a^{3} b^{5}