Question

2 3/4 -(-1 1/2)+(-5/6)-(-3/8)-4 2/3 дроби срочно!

Answer 1

$2 \frac{3}{4} - ( - 1 \frac{1}{2} ) + ( - \frac{5}{6} ) - ( - \frac{3}{8} ) - 4 \frac{2}{3} = 2 \frac{18}{24} + 1 \frac{12}{24} - \frac{20}{24} + \frac{9}{24} - 4 \frac{16}{24} = 3 \frac{39}{24} - 4 \frac{36}{24} = 4 \frac{15}{24} - 4\frac{36}{24} = - \frac{21}{24} = - \frac{7}{8}$