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受欢迎的初等代数 >

1/5 (6+3+1)^2

解答

\frac{1}{5} (6 + 3 + 1)^{2}

解答

20

求解步骤

\frac{1}{5} (6 + 3 + 1)^{2}

遵循 PEMDAS 运算顺序

计算括号内的值

(6 + 3 + 1) : 10

6 + 3 + 1

6 + 3 + 1 = 10

= 10

= \frac{1}{5} \cdot 1 0^{2}

计算幂值

1 0^{2} : 100

1 0^{2}

1 0^{2} = 100

= 100

= \frac{1}{5} \cdot 100

乘除（左右）

\frac{1}{5} \cdot 100 : 20

\frac{1}{5} \cdot 100

将项转换为分式:

100 = \frac{100}{1}

= \frac{1}{5} \cdot \frac{100}{1}

使用分式法则:

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

= \frac{1 \cdot 100}{5 \cdot 1}

\frac{1 \cdot 100}{5 \cdot 1} = 20

\frac{1 \cdot 100}{5 \cdot 1}

\frac{1 \cdot 100}{5 \cdot 1} = \frac{100}{5}

\frac{1 \cdot 100}{5 \cdot 1}

数字相乘:

1 \cdot 100 = 100

= \frac{100}{5 \cdot 1}

数字相乘:

5 \cdot 1 = 5

= \frac{100}{5}

= \frac{100}{5}

数字相除:

\frac{100}{5} = 20

= 20

= 20

= 20

流行的例子

+ 10 - 30 - 20 - 80

10-(-8-5+4+(-3-5))

10 - (- 8 - 5 + 4 + (- 3 - 5))

9 6^{2} + 4 0^{2}

(9 - 3) (912)

-(2-4)^2× 3-4× 2

- (2 - 4)^{2} \times 3 - 4 \times 2