1183.7-872.2=311.5
331.5/2.8=111.25
1)1183.7-872.2=311.5
2)311.5/2.8=111.25
ПРОВЕРКА:
111.25*2.8=311.5
1183.7-311.5=872.2
1183.7-872.2=311.5
331.5/2.8=111.25
1)1183.7-872.2=311.5
2)311.5/2.8=111.25
ПРОВЕРКА:
111.25*2.8=311.5
1183.7-311.5=872.2