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受欢迎的初等代数 >

-1/4 (16)+4

解答

- \frac{1}{4} (16) + 4

解答

0

求解步骤

- \frac{1}{4} (16) + 4

遵循 PEMDAS 运算顺序

乘除（左右）

- \frac{1}{4} (16) : - 4

- \frac{1}{4} (16)

使用法则:

(a) = a

(16) = 16

= - \frac{1}{4} \cdot 16

- \frac{1}{4} \cdot 16 = - 4

- \frac{1}{4} \cdot 16

将项转换为分式:

16 = \frac{16}{1}

= - \frac{1}{4} \cdot \frac{16}{1}

使用分式法则:

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

\frac{1}{4} \cdot \frac{16}{1} = \frac{1 \cdot 16}{4 \cdot 1}

= - \frac{1 \cdot 16}{4 \cdot 1}

\frac{1 \cdot 16}{4 \cdot 1} = 4

\frac{1 \cdot 16}{4 \cdot 1}

\frac{1 \cdot 16}{4 \cdot 1} = \frac{16}{4}

\frac{1 \cdot 16}{4 \cdot 1}

数字相乘:

1 \cdot 16 = 16

= \frac{16}{4 \cdot 1}

数字相乘:

4 \cdot 1 = 4

= \frac{16}{4}

= \frac{16}{4}

数字相除:

\frac{16}{4} = 4

= 4

= - 4

= - 4

= - 4 + 4

加减（左右）

- 4 + 4 : 0

- 4 + 4

- 4 + 4 = 0

= 0

= 0

流行的例子

(9 - 2 + 4) + 15

\frac{9 ^{2} - 3 ( 6 )}{9}

7× 9-(-5)× (7^2)

7 \times 9 - (- 5) \times (7^{2})

2 5^{2} - 36

60-(20\div 100)× 60

60 - (20 \div 100) \times 60