2 4/5 × 1/8 - 1,5 =
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[tex] \tt 2 \frac{4}{5} \times \frac{1}{8} - 1.5 \\ \tt = \frac{14}{5} \times ( \frac{1}{8}) - 1.5 \\ \tt = \frac{14}{40} - 1.5 \\ \tt = \frac{7}{20} - \frac{3}{2} \\ \tt = \frac{7}{20} - \frac{30}{20} \\ \tt = \frac{7 - 30}{20} \\ \tt = - \frac{23}{20} [/tex]
Penjelasan dengan langkah-langkah:
[tex]2 \frac{4}{5} \times \frac{1}{8} - 1.5[/tex]
[tex] = \frac{14}{5} \times \frac{1}{8} - \frac{15}{10} [/tex]
[tex] = \frac{14}{40} - \frac{3}{2} [/tex]
[tex] = \frac{7}{20} - \frac{30}{20} [/tex]
[tex] = - \frac{23}{20} [/tex]
[tex] = - 1 \frac{3}{20} [/tex]
