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受欢迎的代数 >

化简 (16!)/((16-5)!5!)0.5^50.5^{16-5}

解答

化简

\frac{16 !}{( 16 - 5 ) ! 5 !} 0. 5^{5} 0. 5^{16 - 5}

解答

\frac{273}{4096}

+1

十进制

0.06665 \dots

求解步骤

\frac{16 !}{( 16 - 5 ) ! \cdot 5 !} \cdot 0. 5^{5} \cdot 0. 5^{16 - 5}

0. 5^{5} \cdot 0. 5^{16 - 5} = 0.00001 \dots

= \frac{16 !}{( 16 - 5 ) ! \cdot 5 !} \cdot 0.00001 \dots

\frac{16 !}{( 16 - 5 ) ! \cdot 5 !} = \frac{524160}{5 !}

= 0.00001 \dots \cdot \frac{524160}{5 !}

分式相乘:

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

= \frac{524160 \cdot 0.00001 \dots}{5 !}

数字相乘:

524160 \cdot 0.00001 \dots = 7.99804 \dots

= \frac{7.99804 \dots}{5 !}

5! = 120

= \frac{7.99804 \dots}{120}

\frac{7.99804 \dots}{120} = \frac{7998046875}{120000000000}

= \frac{7998046875}{120000000000}

消掉

\frac{7998046875}{120000000000} : \frac{273}{4096}

= \frac{273}{4096}

流行的例子

因式分解 9x^2-4

f a c t or 9 x^{2} - 4

12 = 12 + \frac{v - 8}{2}

\frac{3 x - 32}{5} = - 4

2 y + 9 = 8 y + 21

1.5x^2-15.06x+0.6=0

1.5 x^{2} - 15.06 x + 0.6 = 0