1/2 + 0,57 - 65% = mohon bantuannnya

[tex] \frac{1}{2} + 0.57 - 65\% \\ \frac{1}{2} + \frac{57}{100} - \frac{65}{100} \\ \frac{50}{100} + \frac{57}{100} - \frac{65}{100} \\ \frac{42}{100} \\ [/tex]

172/100 atau satu tujuh dua per seratus