Question

(-1/2+1/5)+(2,7-2,8)-1,05=
помогите срочно ​

Answer 1

Объяснение:

$( - \frac{1}{2} + \frac{1}{5} ) + (2.7 - 2.8) - 1.05 = ( - \frac{5}{10} + \frac{2}{10}) + 2.7 - 2.8 - 1.05 = - 0.3 + 2.7 - 2.8 - 1.05 = - 1.45$