Question

(-9/84) x 3 intregi 1/9 - (-5/12) x 1 intreg 7/15​

Answer 1

Răspuns:

$- \frac{9}{18} \times 3 \frac{1}{9} - ( - \frac{5}{12} ) \times 1 \frac{7}{15} \\ - \frac{9}{18} \times \frac{3 \times 9 + 1}{9} - \frac{ - 5}{12} \times \frac{1 \times 15 + 7}{15} \\ \frac{ - 9}{18} \times \frac{28}{9} - \frac{ - 5}{12} \times \frac{22}{15} \\ \frac{ - 14}{9} - \frac{ - 11}{18} \\ \frac{ - 28 + 11}{18} \\ \frac{ - 17}{18}$