展开 (30)/(1/3)

解答

展开

\frac{30}{\frac{1}{3}}

90

求解步骤

\frac{30}{\frac{1}{3}}

使用分式法则:

\frac{a}{\frac{b}{c}} = \frac{a \cdot c}{b}

= \frac{30 \cdot 3}{1}

数字相乘:

30 \cdot 3 = 90

= \frac{90}{1}

使用法则

\frac{a}{1} = a

= 90

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