Question

600÷a+20+b,если a = 30,b = 40;

Answer 1

70
70
70
70
70
70
70
ааа
аааа

Answer 2

600÷30=20 20+20=40 40+40=80

Answer 3

600:а+20+b=600:30+20+40=20+20+40=40+40=80
Ответ: 80.