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受欢迎的初等代数 >

3\div 4\div 1\div 4

解答

3 \div 4 \div 1 \div 4

解答

\frac{3}{16}

+1

十进制

0.1875

求解步骤

3 \div 4 \div 1 \div 4

遵循 PEMDAS 运算顺序

乘除（左右）

3 \div 4 = \frac{3}{4}

= \frac{3}{4} \div 1 \div 4

\frac{3}{4} \div 1 = \frac{3}{4}

\frac{3}{4} \div 1

将项转换为分式:

1 = \frac{1}{1}

= \frac{3}{4} \div \frac{1}{1}

使用分式法则:

\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \times \frac{d}{c}

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

使用法则

\frac{a}{a} = 1

\frac{1}{1} = 1

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

乘以:

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

= \frac{3}{4}

= \frac{3}{4} \div 4

\frac{3}{4} \div 4 = \frac{3}{16}

\frac{3}{4} \div 4

将项转换为分式:

4 = \frac{4}{1}

= \frac{3}{4} \div \frac{4}{1}

使用分式法则:

\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \times \frac{d}{c}

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

分式相乘:

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

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

数字相乘:

3 \cdot 1 = 3

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

数字相乘:

4 \cdot 4 = 16

= \frac{3}{16}

= \frac{3}{16}

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