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受欢迎的初等代数 >

6-16(121/256)

解答

6 - 16 (\frac{121}{256})

解答

- \frac{25}{16}

+1

十进制

- 1.5625

求解步骤

6 - 16 (\frac{121}{256})

遵循 PEMDAS 运算顺序

乘除（左右）

16 (\frac{121}{256}) : \frac{121}{16}

16 (\frac{121}{256})

使用法则:

(a) = a

(\frac{121}{256}) = \frac{121}{256}

= 16 \cdot \frac{121}{256}

16 \cdot \frac{121}{256} = \frac{121}{16}

16 \cdot \frac{121}{256}

将项转换为分式:

16 = \frac{16}{1}

= \frac{16}{1} \cdot \frac{121}{256}

使用分式法则:

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

= \frac{16 \cdot 121}{1 \cdot 256}

\frac{16 \cdot 121}{1 \cdot 256} = \frac{121}{16}

\frac{16 \cdot 121}{1 \cdot 256}

数字相乘:

1 \cdot 256 = 256

= \frac{16 \cdot 121}{256}

因式分解数字:

256 = 16 \cdot 16

= \frac{16 \cdot 121}{16 \cdot 16}

约分:

16

= \frac{121}{16}

= \frac{121}{16}

= \frac{121}{16}

= 6 - \frac{121}{16}

加减（左右）

6 - \frac{121}{16} : - \frac{25}{16}

6 - \frac{121}{16}

6 - \frac{121}{16} = - \frac{25}{16}

6 - \frac{121}{16}

将项转换为分式:

6 = \frac{6 \cdot 16}{16}

= \frac{6 \cdot 16}{16} - \frac{121}{16}

因为分母相等，所以合并分式:

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

= \frac{6 \cdot 16 - 121}{16}

6 \cdot 16 - 121 = - 25

6 \cdot 16 - 121

数字相乘:

6 \cdot 16 = 96

= 96 - 121

数字相减:

96 - 121 = - 25

= - 25

= \frac{- 25}{16}

使用分式法则:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{25}{16}

= - \frac{25}{16}

= - \frac{25}{16}

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