Question

Bài 1

a) -11⁵.13⁷ phần 11⁵.13⁸

Answer 1

\(\dfrac{-11^5\cdot13^7}{11^5\cdot13^8}=-\dfrac{11^5\cdot13^7}{11^5\cdot13^7\cdot13}\)

\(=\dfrac{-1}{13}\)

Answer 2

Bài 1:

a) \(\dfrac{-11^5.13^7}{11^5.13^8}\)=\(\dfrac{-11^5}{11^5.13}=\dfrac{-11^5}{-11^5.-13}=\dfrac{1}{-13}\)