Question

Срочно помогите 2,4,6,8 примеры

Answer 1

Ответ:

$2) ( - 1) - ( - 3) = - 1 + 3 = 2 \\ 4)( + 9) - ( - 5) = 9 + 5 = 14 \\ 6)( - 6) - ( - 11) = - 6 + 11 = 5 \\ 8)( - 7.1) - ( + 7.1) = - 7.1 - 7.1 = - 14.2$