p+142/3-51/431/3 =5

解答

p + \frac{142}{3} - \frac{51}{4} \cdot 3 \cdot \frac{1}{3} = 5

p = - \frac{355}{12}

十进制

p = - 29.58333 \dots

求解步骤

p + \frac{142}{3} - \frac{51}{4} \cdot 3 \cdot \frac{1}{3} = 5

\frac{51}{4} \cdot 3 \cdot \frac{1}{3} = \frac{51}{4}

p + \frac{142}{3} - \frac{51}{4} = 5

合并分式

\frac{142}{3} - \frac{51}{4} : \frac{415}{12}

p + \frac{415}{12} = 5

将

\frac{415}{12}

到右边

p = - \frac{355}{12}

so l v e f or y, - 2 (- 3 y + 4 z + 25) + 5 y + 7 z = - 66

lo g_{10} (10) [3 + 2 lo g_{10} (10) (1 + x)] = 0

so l v e f or x, - 6 x + 4 y = 15

\frac{11}{4} \cdot x + \frac{3}{8} = 2

0.12 x + 0.2 (x - 4) = 0.01 (3 x - 2)