(300 – 100) – 100:(10: 5) 300 – (100 – 100): (10:5)

(300 – 100) – 100 : (10 : 5) = 200 – 100 : 2 = 200 – 50 = 150

300 – (100 – 100) : (10 : 5) = 300 – 0 : 2 = 300 – 0 = 300

Ответ: 150; 300