tolong di jawab dengan benar
[tex]\sf{(13 \frac{1}{2} - 6 \frac{3}{4} + 3 \frac{1}{2}) } \div \frac{1}{4} \\ = ( \frac{27}{2} - \frac{27}{4} + \frac{7}{2} ) \div \frac{1}{4} \\ = ( \frac{27 \times 2}{2 \times 2} - \frac{27}{4} + \frac{7 \times 2}{2 \times 2} ) \div \frac{1}{4} \\ = ( \frac{54 - 27 + 14}{4} ) \div \frac{1}{4} \\ = \frac{41}{4} \div \frac{1}{4} \\ = \frac{41}{4} \times \frac{4}{1} \\ = d. \: 41[/tex]
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・:。@justfebyy・:三
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