Question

-2,8+(-6 11/45+2 4/15) решите

Answer 1

-2.8+(-6 11/45 + 2 4/15)= -2.8+(-6 11/45 + 2 12/45)= -2.8 +(-5 56/45+2 12/45)= -2.8-3 44/45 = - 2 8/10-3 44/45= -2 72/90 - 3 88/90= -5 160/90= -6 7/9

Answer 2

$- 2.8 + ( - 6 \frac{11}{45} +2 \frac{4}{15} ) \\ - \frac{4}{15} + ( - \frac{281}{45} + \frac{34}{15} ) \\ - \frac{14}{5} + ( - \frac{179}{45} ) \\ - \frac{14}{5} - \frac{179}{45} \\ - \frac{61}{9}$