Question

Rút gọn:

\(\frac{-11^5.13^7}{11^5.13^8}\)

Answer 1

\(\frac{-11^5.13^7}{11^5.13^8}=\frac{-11^4.\left(-11\right).13^7}{11^4.11.13^7.13}=\frac{-11}{11.13}=\frac{-11}{143}\)

Answer 2

bằng -1/13

                                      ko tik xui nguyên năm gán chịu

Answer 3

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

Answer 4

\(\frac{-11^5.13^7}{11^5.13^8}\)=\(\frac{-1.1}{1.13}\)\(-\frac{1}{13}\)