Question

[Nguyễn Minh Anh (✎﹏℗ɧó τεαɱ ₫αɱ ɱê...]

1-1/8-1/9=??

Answer 1

[ᏉươℕᎶ ℕè ²ᵏ⁹]

1-\(\frac{1}{8}\)-\(\frac{1}{9}\)

=1+\(\frac{-1}{8}\)+\(\frac{-1}{9}\)

=\(\frac{72}{72}\)+\(\frac{-9}{72}\)+\(\frac{-8}{72}\)

=\(\frac{55}{72}\)

Hok tốt!