2 × 4 3/8 - 5 3/4 =
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[tex]2 \times 4 \frac{3}{8} - 5 \frac{3}{4} [/tex]
[tex] = \frac{2}{1} \times \frac{35}{8} - \frac{23}{4} [/tex]
[tex] = \frac{35}{4} - \frac{23}{4} [/tex]
[tex] = \frac{12}{4} = 3[/tex]
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・:。@justfebyy・:三
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