`\text { Đáp án: }`
` \frac{0,25¹³ . (‐2)⁴ . 3¹⁷}{(\frac{1}{4})¹³ . (‐2)⁵ . 8¹⁴} `
` = \frac{(\frac{1}{4})¹³ . (-2)⁴ . 3¹⁷}{(\frac{1}{4})¹³ . (-2)⁴ . (-2) . 8¹⁴} `
` = \frac{3¹⁷}{(-2).8¹⁴} `
` = \frac{3¹⁷}{(-1).2.2⁴²} `
` = \frac{3¹⁷}{(‐1).2⁴³} `
` = -\frac{3¹⁷}{2⁴³} `