ПЖ !!! ПОМОГИТЕ ! 403-(36-×)=1800 (34+×)-16=129 (×-25)+22=200
1) 403-36+x = 1800 x = 1800-403 + 36 x= 1433 2) 34+ x - 16 =129 x = 129 -34 + 16 x =111 3) x- 25+22=200 x =200-22+25 x = 203