Hasil dari 1,2:80%X8/9=

[tex] \frac{12}{10} \div \frac{80}{100} \times \frac{8}{9} \\ = \frac{6}{5} \div \frac{8}{10} \times \frac{8}{9} \\ = \frac{6}{5} \times \frac{10}{8} \times \frac{8}{9} \\ = \frac{6}{5} \times \frac{5}{4} \times \frac{8}{9} \\ = \frac{6}{4} \times \frac{8}{9} = \frac{12}{9} = \frac{4}{3} [/tex]

12/100 ×80/100 ×8/9 =4/3