Hasil dari operasi hitung 3,2 + 5/8 x 22/5 -60% adalah....
[tex]3.2 + ( \frac{5}{8} \times \frac{22}{5} ) - 60\% \\ \\ = \frac{32}{10} + ( \frac{1}{4} \times \frac{11}{1} ) - \frac{60}{100} \\ \\ = \frac{16}{5} + \frac{11}{4} - \frac{3}{5} \\ \\ = \frac{64 + 55 - 12}{20} = \frac{107}{20} \\ \\ = 5 \frac{7}{20} [/tex]
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