Hasil dari 5 ¼ + 4,5 : 25% adalah ?
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[tex]5 \frac{1}{4} + 4,5 \div 25\% \\ = \frac{21}{4} + \frac{45}{10} \div \frac{25}{100 } \\ = \frac{21}{4} + \frac{45}{10} \times \frac{100}{25 } \\ = \frac{21}{4} + 18 \\ = \frac{39}{4} \\ = 9 \frac{3}{4} [/tex]
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