f=1-2/5 (3)

解答

f = 1 - \frac{2}{5} (3)

f = - \frac{1}{5}

十进制

f = - 0.2

求解步骤

f = 1 - \frac{2}{5} (3)

化简

1 - \frac{2}{5} (3) : - \frac{1}{5}

f = - \frac{1}{5}

10 k - 1 < 8 k - 10

s im pl i f y (- 2 - 2 i) (- 4 - 3 i) (7 + 8 i)

s im pl i f y \frac{1}{3} - \frac{4}{3}

f a c t or 5 mn + 25 m + 3 n^{3} + 15 n^{2}

14 w - 10 = 15 w - 11 + 17