化简 (5/4)^3

解答

化简

(\frac{5}{4})^{3}

\frac{125}{64}

十进制

1.953125

求解步骤

(\frac{5}{4})^{3}

使用指数法则:

(\frac{a}{b})^{c} = \frac{a ^{c}}{b ^{c}}

= \frac{5 ^{3}}{4 ^{3}}

5^{3} = 125

= \frac{125}{4 ^{3}}

4^{3} = 64

= \frac{125}{64}

f a c t or 7 n^{2} - 66 n + 80

s im pl i f y \frac{2}{5} \cdot \frac{1}{3}

s im pl i f y \frac{10 \cdot 2300}{142506}

3 x^{2} - 14 x + 6 = 0

s im pl i f y \frac{\frac{1}{x y} - \frac{1}{y ^{2}}}{\frac{1}{x ^{2} y} - \frac{1}{x y ^{2}}}